Roberto Maldi, a young scientist, is trying to find a serum capable of giving courage but he unwittingly invents a serum which transforms any man in a womanizer. His boss scents a good business and wants to produce the serum on industrial basis, but Roberto does not agree.
| Directing | Giorgio Bianchi | Director |
| Writing | Vittorio Metz | Writer |
| Sound | Nino Rota | Music |
| Camera | Anchise Brizzi | Director of Photography |
| Writing | Marcello Marchesi | Writer |