Twelve year old 'Boefje' spends most of his time in the alleys, on rooftops and in the harbor of Rotterdam. A local clergyman takes pity on him and attempts to teach him good manners.
The rich and conservative Edward can not forgive his younger wife who had been unfaithful. She's trying to get his attention by flirting with a Dutch tourist.
On his wedding day, mere hours before the statute of limitations for his crimes expires, revengeful mobsters abduct former criminal Jean Verdier. The gang leader's daughter - who's still in love with Jean - tries to stall the police until the clock strikes twelve and he can no longer be prosecuted.
