Si jeunesse savait...

The story centers on Charles Vigne, a banker who releases a genie named Abdul from a vase. In gratitude, Abdul grants Charles's wish to become a child again, allowing him to keep his adult wisdom. This transformation leads to chaos, particularly in the financial markets, raising the stakes as Charles's sudden disappearance creates turmoil for his bank.

With a cast including Jules Berry and Suzet Maïs, the film blends comedy with fantasy elements. As Charles grapples with his wish, he ultimately realizes the impact of his decision on his life and those around him. The film reflects post-war French cinema's exploration of identity and societal roles, making it a notable piece for collectors interested in classic comedies from this era.