While expecting the imminent end of their lives, an old couple leaves their large and beautiful home to a young married couple – their doctors, who live in a single room apartment with their two children. As the olds are getting stronger by the day, one of the four decides to “take care” of that.

Ljuba and Bora are good students with non-existent sex lives, in contrast to their roommate Giovanni, who has no such troubles despite being an awful student and involved into petty crime. When Giovanni is drafted and his sister moves in with the other two, they see it as the end of their problem.