Yvon apprend qu’il vient d’hériter du fabuleux butin de la célèbre cambrioleuse, Monica Magnum. Il devra rencontrer plusieurs criminels pour retrouver la cachette du trésor.
Yvon learns that he has just inherited a fabulous loot from the notorious burglar Monica Magnum. He will have to meet several criminals to find the treasure's hiding place.