Old houses in Zagreb are destroyed in order to build new, bigger blocks. A teacher who lives in one of these houses allows a stranger to share his home with him. The stranger has a fascination with statistics, and claims he can predict crimes based on statistical analyses. When a predicted murder did not occur, the stranger is adamant that the whole town will suffer unless a balance is achieved - and he leaves.

A teenage girl decides to replace her controlling father with his wealthy foreign friend during a weekend trip to the Adriatic Sea.