Sam Cramer is taken to Sicily, to Taormina, to an arms dealer where he meets Sally. Suspected of the theft of a diamond necklace, he sets out in pursuit of the real thieves.
The dancer Laura Benson, was kidnapped in the middle of the street while she was with her companion Olaf. A hippie who witnessed the scene is murdered before being able to reveal to Sam what he knew.
For Sam's birthday, Sally bought a house in Deauville, as well as a four-poster bed. She goes to the antique store to look for the bed and finds it occupied by a woman's corpse. This is the merchant's wife, who has died two weeks earlier .
As a model for a photographer, Sally witnesses his murder. Sam decides to conduct his own investigation. One of the shots on the roll of film found at the photographer's home features the portrait of a young girl, Isabelita, who has gone missing. Their search leads Sam and Sally to the home of a billionaire, Ronald Ruck. It was he who commissioned the photographer to take Isabelita's portrait. At Ruck's home, Sally discovers a forty-year-old photo of someone who is an exact replica of the young Isabelita.
Lili Dubarry, a stripper, calls Sam for help: a journalist who was blackmailing her has just been murdered, and she's afraid of being accused of the murder. Sally, who learns of Lili's call without knowing the reason for it, is jealous of Sam's correspondence with a stripper. Determined to take revenge, she forces Lili to swallow barbiturates and takes her place to do her act.
Sam is put on the trail of a major drug case by Eddy King. After Eddy's kidnapping, he investigates together with Sally in the vicinity of the charming Bedelia Kellerman, whose husband, seems to be in charge of the traffic.