Stockholm, late 1970s. Within a stone’s throw of government buildings and juvenile homes lies the seductive world of sex clubs, discotheques and private residences. Call Girl tells the story of how young Iris is recruited from the bottom of society into a ruthless world where power can get you anything.

The family's life changes radically after the arrival of the grandmother. A supporter of physical exercise, getting up early and going to church, she terrorizes her surroundings. After an unsuccessful attempt to get rid of a troublesome guest, the family decides to find the grandmother a fiancé.