Lauri decides to manage alone. Aaro and Meeri work out their differences and decide to seek justice. Lauri is furious when he hears his childhood friend's confession. Sanna is faced with questions of life and death.

The DNA test result shuffles the deck again. The pressure is mounting on Lauri, and Ritola is no help. The MP, harassed by Aaro, begins a counter-attack. Meeri surprises Ritola, and emotions take over.

Ritola is touched at the police chief's funeral, and Lauri hears about the bastard child of the deceased. The disappearance of Sanna brings Varjakka to the centre of the country's attention. The interrogation of the prime suspect makes surprising progress.

The arrival of a member of parliament in Varjakka puts pressure on all sides, and the problems in Sanna and Lauri's private lives do not make the investigation any easier. Leena secretly asks her daughter for help with a strange task.

Lauri, a young criminal investigator, is saved from couple therapy when he is sent to investigate two murders in small conservative northern Finnish town.

A former mercenary suffers from his traumas at the Millennium Center. Police chief protects the business executive, but Ritola gets a hint and attacks the Mafia of the believers. Aaro is in dire need of Ritola.

Year 1999. Young Aaro finds his parents dead. Constable Jussi Ritola starts to investigate the deaths, but it throws his stable life into chaos. Varjakka’s daily life is also shaken by the Millennium movement, which is led by women.

The mercenary is treated in the cleansing rituals of the Millennium Center. The business executive openly celebrates his success. Ritola lies to the police chief as his relationship with Meeri is getting warmer.