Antoine是一位普通的旅遊者，他不慎與黑幫頭子Saroyan駕的車相撞而被Saroyan選中，認為他是世界上最完美的幫助他偷運鑽石的人選，於是他慷慨地贊助Antoine從Naples到Bordeaux的旅行，而且提供了他一輛豪華的凱迪拉克車，於是Antoine高高興興的上路了。一路上他發現很多人都在關注他，尤其是他的那輛豪華車。並且他在不知不覺中幫Saroyan運輸著鑽石。
A young woman has spent her life tormented by the death of her mother, who was on a ship torpedoed during World War II. When her father hires an investigator to look into the circumstances of the mother's death 30 years prior, it triggers a new rash of emotional turmoil for the young woman and uncovers a heinous crime.
Gene and Pokie are on vacation in Mexico when they learn that their buddy Dusty has been bumped off.
The Captain of a tramp steamer is forced by his ship's owner to smuggle some priceless pearls, and take them to Singapore.
Suave private investigator Norman Conquest intercepts a secret message and meets a beautiful but foreign blonde lady in room 605 of the Park Plaza hotel. But when Conquest wakes up in the room the next morning he is lying next to a dead body. With the mysterious blonde nowhere to be seen, Conquest soon becomes the police s number one suspect with Inspector Williams following his every move. In order to clear his name, Conquest enlists the help of Pixie Everard (Joy Shelton), but the going gets rough when he discovers that the murder is connected to a stash of stolen diamonds. As gun-happy gangs of communists and Nazi sympathizers turn up the heat, Conquest has to solve the murder whilst staying one step ahead of both the gangs and the police.
On an ocean liner crossing a professional gambler comes to the aid of a naive young man victimized by a jewel thief. The young man turns out to be his son he's not seen since infancy.
Two friends from the province dream of going to Athens. On board the train, however, two smugglers are being asked and offered to hire them as waiters in the nightclub as a showcase.
A gang of jewel smugglers swears to take revenge on a deputy sheriff after his dogged pursuit of them forces them to flee without their goods.