After a woman's body is found buried at a construction site, detective Sofia Karppi and her new partner home in on the victim's disgruntled ex-client.

Surveillance footage showing Anna leaving the Tempo party leads Karppi and Nurmi to the home of entrepreneur and real estate investor Stig Olander.

Karppi and Nurmi look into the Lexus's connection to Anna. Alex Hoikkala receives a startling ultimatum. Usko takes offense to a police theory.

A co-worker reveals a clue to Anna's future plans. Linda finds herself in harm's way. When Karppi is sidelined, Nurmi gets a chance to show his mettle.

Karppi's initiative rubs some the wrong way. Alex makes an admission to Linda. A card found in the Lexus reveals who was driving it after the party.

Karppi searches for Roope Hoikkala and Henna, who've disappeared for very different reasons. Usko and his daughters face a difficult day.

Karppi and Nurmi travel to Anna's hometown after learning she visited her estranged parents right before her murder. Alex's business suffers a setback.

A new autopsy changes the timeline of the murder. Nurmi gets an unexpected therapy session. Usko goes shopping on the black market.

A former suspect offers up surprising information about Anna's years on the swim team. Alex tries to confirm who was behind the new test results.

Usko seeks revenge, shifting the police's focus onto him. After a night of drowning their sorrows, Karppi and Nurmi look at the case's big picture.

Searching for evidence underwater, Nurmi gets unexpected company. Karppi figures out what the white capsules in the diving video are and lays a trap.

Following a shocking confrontation atop a building, Karppi and Nurmi realize that Anna Bergdahl's murderer may be someone they've not yet considered.

When a woman is found in a cage brutally murdered, Karppi and Nurmi focus on learning everything they can about the victim — and her troubled son.

Fueled by desperation, Ossi makes a move. Karppi receives an intriguing call about her late husband. Nurmi has a brief — but painful — reunion.

Karppi's case takes a turn when human remains are found in the sewer. Nurmi visits Laura in the hospital. Henna faces heat from all sides.

While searching for a missing suspect, Karppi and Nurmi make another grisly discovery. A cryptic clue hints at the killer's motive.

Karppi and Nurmi investigate if a teen's overdose is connected to their case. Henna goes snooping. Karppi chases a lead in her husband's death.

Now on the run from the police, Karppi fights to continue her investigation. A terrified Henna finds herself in mortal danger.

An unexpected encounter leads to more clues about Karppi's husband. The detectives unravel a common thread among the victims.

Karppi and Nurmi track the suspect to the ruins of an old convent, where they discover that the case is anything but over.