Arlette has too provincial parents to whom she announces her plan about own independence. After her departure, Marc, her absent fiance seek for her in vain in Paris until he discovers her picture on the magazine cover.

Given up for dead three years ago in a plane crash in the Amazon rainforest, a young woman arrives in Paris to find her eminent ethnologist husband. She learns of his death in obscure circumstances, having remarried in the meantime. She sets out to unravel the mystery surrounding her husband's death.