Detective sergeant Timo Harjunpää of the Helsinki Violent Crime Unit loses his daughter in a tragic way. Despite the support of his closest colleague, Constable Onerva Nykänen, Harjunpää is unable to recover from the loss of his family. He seeks revenge against his daughter's killer, while in his work he investigates strange deaths in the Helsinki metro that turn out to be the work of a serial killer.
Princess tells the true story of former cabaret dancer Anna Lappalainen's redemptive struggle with insanity, who checked in to Finland's Kellokoski Psychiatric Hospital in 1945.
There is civil war in Finland between "Whites" and "Reds". A woman soldier of the Reds is captured by the Whites. She is ordered to be executed. A lieutenant is enforced into a homosexual relationship with his commanding officer to save the Red female with whom he is infatuated.
