The protagonist of the film is a 14-year-old boy named Simo who still lacks his own sense of self and the ability to protect himself from his surroundings. He lacks his own identity. Simo and his big brother Ilkka are the sons of a helpless and unpredictable single mother. Their chaotic home is located deep in the heart of a concrete jungle in Helsinki. Ilkka has one day of freedom left before starting his prison sentence. The mother persuades Simo to spend the last night with his brother.