At the Rome airport two men are taken into custody. Inspector Scott Luce thinks their two suit-cases are full of drugs, but the suit-cases contains only white powder. Afterwards the corpse of Susan Palmer is found. She was a drug runner for the Cosa Nostra boss Frankie Agostino. Susan's friend, Jenny Ryan, meets a mysterious man from America, Arthur Ardigan, supposedly her cousin. In the meantime Inspector Luce is investigating.
Charles Agostino
Jenny Ryan
Scott Luce
Frankie Agostino (as Alan Collins)
Jon Dahlia
Marjorie Mills
Countess Torreguardia
Niki Velour
Susan Palmer
Giulio
Count Torreguardia
Colonel Ruggiero