The film was loosely based on the 1963 short story Kasuema (Stepmother) by Estonian author Silvia Rannamaa.
Three days later, the girl returns home, but her drunken father makes it clear almost from the door that she doesn't belong here.
The night spent at the train station ends for Mari with an acquaintance with an aggressive group of teenagers, led by Robi, and being driven to the police.
The polite, intelligent Tauri, who, unlike the other pupils, has a respectable and very busy father, takes custody of the newcomer.
Among the girls, the harsh, nervous Katrin, who ended up in an orphanage after her mother was imprisoned, dominates.