Robyn McCallová, tajemná bývalá agentka CIA, používá své rozsáhlé schopnosti, aby pomohla těm, kteří se nemají na koho jiného obrátit. Během toho co se McCallová přizpůsobuje civilnímu životu, je nucena využít své značné možnosti, aby pomohla Jewel, puberťačce nařčené z vraždy, která je na útěku před zločinci, jenž ji ze zločinu obvinili.

Online reklama McCallové ji přivede k matce, jejíž syn byl unesen obchodníkem s lidmi a bude popraven, pokud matka neukradne důvěrné informace od zaměstnance FBI. A McCallová zadá tetě Vi úkol, aby zjistila tajemství, které před nimi Delilah drží.

McCallová se snaží pomoct vězňovi na útěku, který byl falešně obviněn z vraždy, a jenž je nedůvěřivý vůči soudnímu systému, který selhal a nepomohl mu. A také se McCallová bude strachovat o svoji dceru Delilah, která se přestala stýkat s blízkou kamarádkou; a hledání detektiva Danteho po McCallové nabere nečekaný zvrat.

McCallová vyšetřuje nafingovanou smrt aktivisty a odhalí spojení mezi jeho smrtí a jeho protesty ohledně stavění dalších bytovek ve čtvrti. Delilininy lekce v autoškole přivedou McCallovou a tetu Vi k tomu, aby ji naučili ještě větší lekci týkající se osobní zodpovědnosti.

Při provádění laskavosti pro ředitelku CIA Suri Nanceovou dostane McCallovou špatnou chuť v puse, když se během hledání zmizelého britského matematika ocitne uprostřed mezinárodního boje o revoluční finanční technologii.

Mel jde do utajení jako dobrovolnice pro stoupajícího politika poté, co je vystrašené vysokoškolačce vyhrožováno někým z politikovy kampaně. A McCallová se začne strachovat o Delilah, která se začne vídat s mladou dívkou, která byla v zadržovacím středisku pro mladistvé a připomíná tak McCallové její vlastní problémové mládí.

McCallová se snaží najít ženu unesenou sériovým vrahem, jehož minulé zločiny zůstaly neodhaleny, protože oběti pocházely z marginalizovaných komunit. Problém pro McCallovou také nastane, když ji její ostražitá aktivita dostane na radar manhattanské okresní prokurátorky Avery Graftonové.

Volání o pomoc z druhé strany světa od dcery zesnulého mentora McCallové ze CIA donutí Robyn, Mel a Harryho pracovat vzdáleně, aby pomohl novinářce, když ji pronásleduje úderná jednotka ve Francii. A teta Vi začne podezírat McCallovou, když vynechá další rodinnou noc kvůli práci.

McCallová běží pomoct znepokojené manželce najít svého manžela předtím, než pomůže extrémistické skupině zahájit bezprostřední bombové útoky ve městě. A McCallová se bojí, že bude narušena její anonymita, když jí Delilah požádá, aby s ní nahrála video matky/dcery.

Osobní a pracovní životy McCallové se srazí, když Delilah a jejím kamarádkám vyhrožuje evropský zločinecký syndikát, jelikož byly svědkyněmi popravy šéfa drogového kartelu.

Just as McCall considers ending her work as The Equalizer, she’s pulled back in when she takes on Detective Marcus Dante as a new client who needs her help to find an untraceable group of bank robbers.

McCall finds herself in the crosshairs of a foreign government’s intelligence agency when her friend Mira, a diplomat’s daughter, seeks McCall’s help to find her missing brother. Also, Dante faces suspicion from a fellow detective newly tasked by the district attorney to find the vigilante knows as the Equalizer

McCall is hired by a concerned mother who suspects her teen son has joined a local gang, leading McCall to the boy’s surprising motivation behind his spiraling behavior. Also, Delilah faces anxiety as she prepares to speak at her friend Jason’s memorial service, and Dante worries when the new detective pursuing McCall sets his sights on unmasking the people closest to her.

McCall comes closer than ever to being captured when she races to prevent the murder of District Attorney Grafton, the prosecutor seeking to bring her to justice

McCall is hired by an online group of true-crime enthusiasts to find the anonymous stalker of an unsuspecting NYC woman when the criminal claims he will murder her in eight hours

Mel’s past military expertise proves critical when McCall is hired by District Attorney Grafton to find a sniper on a killing spree, seemingly selecting victims at random. Also, Delilah experiences PTSD when the sniper shootings cause her to relive the trauma of her friend’s fatal shooting.

Bishop comes to McCall, Harry and Mel for help when a terrorist from his past uncovers the identity of his adult son, a young man Bishop has kept secret for decades to safeguard him from his intelligence work. Also, Aunt Vi becomes nostalgic about a past romantic relationship when she receives a surprise visitor

McCall and Mel help a deported woman track down her son after she was separated from him while seeking asylum at the U.S. border. Mel, McCall and Bishop exhaust every avenue to get Harry released from prison.

McCall becomes ensnared in a deadly battle between rival rap crews when she is hired by the wife of a famous rapper, Dilemma, to prove the musician is innocent of murdering a fellow artist.

McCall joins forces with Jessie Cook, a brilliant and unpredictable master thief, to recover a valuable painting stolen from a Black family during the 1921 Tulsa Race Massacre.

McCall and Mel work with a jaded ex-cop to find the killers of a beloved Chinese American restaurant owner, who was the victim of a hate crime masked to look like an accidental electrical fire.

McCall helps a mob accountant, Bert Singer, scour the city for a lost ledger of evidence he must provide to the FBI in exchange for entrance into the Federal Witness Protection Program. Also, Mel frets over how to tell her best friend, who comforted her for years about Harry's death, that Harry never died at all.

McCall races to find Dante when he’s abducted by a pair of panicked deputies who fear reprisal, after they detained Dante without cause and used excessive force before realizing he’s a fellow cop. Alone and injured, Dante experiences hallucinations that reveal his complicated childhood.

McCall receives a desperate plea for help from her former CIA trainee, now a full-fledged agent, that leads her into a confrontation with Mason Quinn, the most dangerous enemy from her past in intelligence. In need of confidential information about the agent's latest assignment, McCall forms a tentative alliance with Carter Griffin, a by-the-book CIA handler.

McCall's vigilante work further complicates her personal life when she is forced to ask her ex-husband, Dr. Miles Fulton, to help with a gunshot victim: one of two women being hunted by thieves after they witnessed a robbery.

When Aunt Vi is the lone juror on a murder trial who believes the defendant is innocent, McCall covertly investigates the case to find proof that Vi's instincts are correct.

McCall, Mel and Harry take a leap of faith when they help a self-proclaimed psychic, Julien, find his missing sister who he says is in imminent danger, according to his visions. Also, Delilah's PTSD returns as she struggles under the weight of keeping McCall's secrets and her worries about her mother's safety.

McCall’s determination to apprehend Mason Quinn, the criminal responsible for Bishop’s death, veers into a dangerous obsession that could cost her everything. Also, Delilah finally meets her mother’s vigilante team when she requires Harry and Mel’s help to prove a fellow classmate made her best friend a victim of revenge porn. Second season finale.

In the aftermath of her abduction, the walls between McCall’s family and vigilante life continue to crumble as those closest to her must come together for the first time to save her.

The team helps an NYPD firefighter’s daughter when her father suddenly goes missing. Also, Aunt Vi and Delilah continue to cope after McCall’s abduction.

When a widowed single mother claims her dead husband is attempting to kill her from beyond the grave, McCall and the team help uncover the truth

A local motorcycle club seeks McCall and the team’s help in keeping a member out of prison by proving the illegal guns found in his van were planted. Meanwhile, Delilah’s father, Miles, insists on knowing the truth about McCall’s work.

When a smuggler being detained by the CIA must be transferred quickly to a secure debriefing site, McCall works with Carter Griffin to ensure he arrives unharmed. Also, Dante deals with the possibility of his father being released from prison.

After a teen girl dies from fentanyl-laced pills, a vigilante goes on a killing spree and McCall becomes a suspect.

Misty, a superstar singer deciding to retire, receives a terrifying fan letter. Her head of security hires McCall to track down the culprit.

Mel engages in a tense family reunion when she and her disapproving sister race against the clock to save their brother Edison after he’s abducted. Also, as the team unravels the motivation behind Edison’s kidnapping, Mel grapples with the fallout of her argument with McCall about training Delilah.

McCall and Dante's relationship is tested when a conman the NYPD has been building a years-long case against kidnaps a relative of McCall's client and forces him to assist in a heist in order to save them.

When the mother of a patient dying of a rare brain disease holds a hospital hostage in an attempt to get her daughter a lifesaving surgery, McCall races to resolve the situation peacefully while dealing with pushback from government forces.

After a string of antisemitic hate crimes terrorizes a local community, Harry reconnects with his Jewish faith as he leads the team in finding the culprit before they attack again. Also, McCall must calculate what extremes she will go to in order to win custody of Delilah.

When a man claiming to have lost his memory wakes up behind a dumpster with a gun in his hand, McCall and the team follow a trail of clues to help uncover his whereabouts the night before.

After an operative kills all but one of the employees at a marine biology research group, McCall and the team join forces with Colton Fisk when they discover a connection between the murders and a secret CIA program he was involved in.

When a Venezuelan migrant is accused of murdering a prominent congresswoman whom he and his wife were staying with, McCall and the team work to uncover whether or not he was involved. Aunt Vi tries to look after a student who seems to be experiencing distress at home.

Aunt Vi enlists the help of McCall and the team when she realizes her masseuse is a victim of domestic abuse. Also, McCall trains Dee on situational awareness and Dante goes against orders by chasing after the man who shot his friend Manny.

When Fisk tasks McCall with tracking down an ex-MI6 agent in Paris with whom she had a past relationship, she must convince him to help her track down a crucial document that his friend was hiding. Also, Delilah faces discrimination at her new fashion internship.

When a note McCall receives leads her to the location of her late father’s car, she must revisit the past to uncover who was behind his carjacking and murder nearly 30 years prior.

The team is put into harm's way when McCall's former CIA colleague is found alive and sets her sights on revenge by attempting to abduct Dante, Harry and Mel. Also, Aunt Vi and Delilah must act quickly to de-escalate a hostage situation of their own when a robber targets a bodega. Third season finale.

McCall races to save the team after they're put into extreme danger by her former CIA colleague Michelle Chambers while she discovers the truth behind the CIA withdrawal in Venezuela that led to the death of one of her friends.

After a young girl is struck by a car in an illegal street race, McCall tracks down the person responsible for the hit-and-run. Meanwhile, Dee contemplates the idea of following in her mother's footsteps to join the armed forces.

After a high-powered real estate developer is killed by a moving subway train, his widow hires McCall to investigate his death. Meanwhile, Aunt Vi and Dee visit an old neighbor living in a nursing home who may need their help.

After Dante's Old Training Partner Is Taken Hostage While Working Undercover In An Illegal Casino, McCall Gets Help From A Former Gambling Addict To Take Down The Perpetrator.

After Mel is reunited with her brother, McCall helps him blow the whistle on his former unit's unethical practices before it's too late. Aunt Vi and Trish's relationship becomes fractured by Vi's need to protect McCall's true identity.

When a former Chinese MSS agent is poisoned and comes to McCall for help, McCall tracks down the perpetrators and the antidote. Meanwhile, Aunt Vi encourages Dee to protest against a well-known climate change denier.

Dee asks McCall to help find her transgender friend when the teen goes missing. Meanwhile, Dante is surprised when Big Ben's parole officer approaches him to chaperone his father for an out-of-state trip.

McCall races to help Dante and Big Ben after they are ambushed by a group of suspicious attackers and a major family secret is revealed. Meanwhile, at a party celebrating 50 years of hip-hop, Aunt Vi tries to maintain her status as the reigning queen of the annual cobbler baking contest and Dee suspects a mutual friend may have stolen prize money.

When a conman from Dante’s past attacks a prison transport, McCall and the team race to take him down. Meanwhile, Aunt Vi and Dee’s girls’ trip is suddenly derailed when they find a woman squatting in their home, and Harry risks his relationship with Mel when Fisk pulls him deeper into his secret mission.

The team races against the clock after Mel is kidnapped by a member of her veteran support group and his older brother. Meanwhile, Dante is offered a position with the NYPD's Special Investigation Unit in Los Angeles.