Season 1 of Helsinki Syndrome premiered on September 2, 2022.

Entrepreneur Elias Karo takes four journalists from the newspaper Helsingin Sanomat hostage to expose how a bank stole his family's fortune in the 1990s and caused an over-generational tragedy.

Season 2 of Helsinki Syndrome premiered on November 21, 2024.

Having carried out a massive robbery, Karo continues his escape. Still haunted by the events of the 90s, a new crime is thrown into the mix: an even bigger goal to restore justice to the wronged. Criminal investigator Kolehmainen and NBI negotiator Kiiski are on Karo's trail. Journalist Hanna Raivio continues her investigation. Are Elias Karo's allegations true after all?