Christie is investigating the murder of a skid-row derelict in a pawn shop. During the course of the investigation, she uncovers evidence indicating a link between the murder and the new partner who's just been assigned to her.
A beautiful young Bahamian woman who is a courter for a counterfeiting gang is killed at the airport. When Christie finds out that the ring has never seen this woman, she decides to impersonate her in order to get evidence against the gang and bring them down. What she doesn't know is that the woman she's impersonating is not only a courier but a contract killer, who was also supposed to murder the chief of the counterfeiting gang.
A mob hitman is captured after he shoots but fails to kill his boss' rival. His boss, Rico Cesari, happens to be a childhood friend of Caruso's father. Casari pressures his old friend to get his son to tell him where the hitman is being held, so he can kill him before he gives the cops any information. When that fails, he takes more severe measures.
Pete's been kidnapped and his kidnappers make him call the Captain and tell him to meet them. The one he meets with tells him that he wants the Captain to accompany him to London. Evidently he is transporting something. Christie finds out and gets on the flight they're on and poses as a flight attendant.