Five rather frivolous musicians seize the opportunity to perform on a cruise in the Mediterranean. Alas: they are under contract to engage a female singer - and they fear to fall in love with her, which would endanger their friendship.

Each year Thomas goes an a pilgrimage but he has more difficulty to complete it, but then he is offered a footbath that appears to contain a miracle drug. Wouldn't this make a huge seller during Expo 58 in Brussels... .