Sally learns from one of her flight attendant friends that Sam is in Caracas. Sally, furious, jumps on the first plane. She surprises Sam on the steps of the house of a certain Mrs. Cramer.
Sally buys Sam a samurai armor for Christmas. But the delivery men, arguing with their boss, knowingly swap the delivery boxes. And instead of armor, Sally is delivered a corpse. Our duo tries to follow the trail of the murder.
Sally attends an auction. Following a fortuitous gesture, she is awarded a plane which belonged to a great scientist. Sam and Sally decide to go and pick it up at the airport, but it has been stolen.
Sam and Sally travel by train to Venice. But in the middle of the countryside, their wagon is detached and a group of men burst in: Hasley, an American special agent, summons Sam to work for him.
Sally takes Sam to Africa, to the International Conference for the Protection of Wildlife, chaired by the Venerable Lady Archibald Wesley. One of their old friends, Patrick Lefranc died in very suspicious conditions.
Sam and Sally are invited to South Africa to attend the presentation of the largest diamond in the world. They are in fact victims of a trap aimed at making Sam responsible for the theft of the jewel.
