Homebound (1989)

Mika's mother marries a man who is getting out of the jail. At the beginning everything seems to be all right. Mika leaves Oulu, an industrial city up in Northern Finland, to study in the capital, Helsinki. He does very well with his studies and also begins a relationship with the girl he knew already back in Oulu. Meanwhile the new husband reveals his true self - and all of a sudden things get very serious.