Two Chemistry students, unlucky with women, develop a formula that turns them into crazed rapists. But they eventually discover that they are in love with each other!

André has been presenting sexual problems and after seeing a doctor, he is diagnosed with impotence caused by fatigue, recommends rest and prescribes a diet. Before traveling, André communicates the diagnosis to the bride and says that he is accompanied by the nurse. The bride reacts, but is convinced by the groom that the nurse is an elderly woman in whom she becomes interested...