18 months after parting ways under mysterious circumstances, the FBI team is brought back together by a new crisis.

While Jane and Weller hunt down a collective of dangerous computer hackers, Patterson and Rich Dot Com must work together to hide an explosive secret from their past.

As the team chases a deadly bomber who's terrorizing Manhattan, Jane uncovers a shattering secret from her youth.

While Jane struggles to cope with a secret from her past, the team races to prevent an international crisis.

The team goes undercover on a movie set to stop a terrorist plot with unlikely backers. Roman blackmails Weller with a horrible secret about Jane.

Facing a threat within the FBI, the team is forced to run a covert operation out of Jane and Weller's apartment. A tattoo leads to a doctor with a deadly secret.

As the team works together to take down a foe, Jane and Weller face a toxic secret that threatens to tear them apart.

After some personal strife, the team must find a way to work together to track down missing nuclear warheads.

The team races to thwart a deadly terrorist plot with the help of Reade's journalist girlfriend.

While Jane and Weller partner with a mysterious man from Jane's past to find a missing person, the team races to stop an arms deal.

Weller and his former FBI partner reunite for a dangerous undercover mission while Zapata interrogates a past foe.

A surprising visit from Nas leads the team to investigate a dangerous piece of technology that was stolen from the NSA. Roman and Blake grow closer as they attend a high-stakes poker game.

When Patterson's investigation into a tattoo results in a horrible incident, she tries to figure out what went wrong - but quickly realizes all is not as it seems.

The team must decide whether to trust a prisoner who warns them of a dangerous plot. Zapata is caught between the FBI and the CIA. Roman and Crawford butt heads over how to handle a volatile situation.

A CIA source threatens to tear the team apart. Rich's place in the FBI is called into question. Roman and Crawford spend a day together under strange circumstances.

The FBI team and Avery attend a gala hosted by their target Hank Crawford in hopes of arresting him. Roman grows closer to the Crawfords.

Jane and her team must fight for their lives when Roman sends deadly assassins after them. Meanwhile, Patterson goes on a date, Reade contends with the O.P.R. inquisitor, Jane and Weller go to dinner, and Zapata attends a funeral.

The team must partner with an oddball conspiracy theorist to keep Crawford from acquiring a deadly weapon; Roman struggles to maintain his personal life with Blake while completing a series of secret missions.

After receiving shocking news about Avery's father, Jane and Weller must hunt down an elusive criminal. Meanwhile, Patterson's father helps the team in the lab.

Jane is forced to recruit someone from her past to help take down a dangerous alliance.

Jane and Weller hunt Roman back to where it all started and attempt to stop him.