A movie inspired by a true crime - the coldblooded Heino double murder, committed by a group of teenagers - that shocked Finland in 2001.

A midnight freight train collides with a mysteriously abandoned truck at Rajamäki station, derailing and revealing that its cargo manifests were falsified. Investigation secretary Ari Nykänen uncovers a scheme smuggling explosives out of the country, with evidence pointing to collusion among senior VR executives.

Sari is a high school principal with high standards but no idea of what to do with them. In the teachers' lounge her nitpicky style hasn't won her popularity. When Sari hears that the teachers are organizing a get-together and she's not invented, she decides to act: get an invitation and win everyone's hearts. There is nothing standing in the way of her and popularity - except one broken mug.