After several years since they met first, Gonzalo and Vicky are finally married and depart on a honeymoon trip to Paris. As usual, they get into tremendous troubles where nobody is what they seem to be. Everything starts with the murder of a dancer and the danger of a famous brooch, which a band of jewel thieves and their mysterious chief, the inspector, want to steal. What is Vicky doing alone at night during her honeymoon, receiving mysterious visits and secret messages in her room?