Albine is employed in a Parisian jewelry store. One day when she is alone in the shop, two masked men come to rob the jewelry store and try to open the safe. One of them gets carried away and wants to attack the young woman who is defending herself. The shot goes off by itself, one of the two robbers dies instantly. His accomplice flees but will want to avenge his boyfriend at all costs. Hence a multitude of attempts to suppress the beautiful blonde, which each time turn to disaster. The investigation is entrusted to Inspector Tarnopol already upset by the escape of a criminal who himself has sworn revenge against this cop who provoked his arrest.