A mural painted with blood is found on the wall of Pasila train station, which depicts Finland's best-known serial killer Lasse Maasalo. The text in the mural, “Making the world a better place”, is linked to a voting circulating in social media, where people can vote for persons that world would be a better place without. Soon the first body is found and Sorjonen must find the person who has named himself as The Judge.
When her sister is mugged and raped, Oili, a young female forensic dentist, meets a group of abused women who have taken matters to their own hands to make the living in fear and just letting it happen stop.
Heavily built young woman Kaisu comes to work in a small grocery store in the countryside, run by a bossy old lady and her tiny and quiet grown-up son Erni. Faced with a common enemy, the unlikely young couple find support in each other, despite their physical differences.