Arsène Lupin Returns

Jim Hanvey is a genial but top-notch detective who has retired to his country home. An insurance company hires him to find a missing emerald so they won't have to pay out the $100,000 for which the jewel is insured. It doesn't take him long to find the emerald, but he discovers that finding it was the easy part; the difficult part is getting it back to its rightful owner, and he winds up involved in a murder in which an innocent man is framed.

Two sophisticated jewel thieves join forces to steal $30 million in uncut jewels.

Exotic dancer Nicole finds herself terrorized by a black-clad assailant determined on procuring her murdered father's stolen gems. Fleeing Paris in hopes of evading her knife-wielding pursuer, Nicole arrives in England only to discover that death stalks her at every corner.

Reformed jewel thief the Lone Wolf investigates the murder of a playboy who was blackmailing three socialites.

A sophisticated jewel thief tries to prove himself innocent of a string of cop murders.

A rich but naive young woman is in possession of some priceless jewels. She herself doesn't know it, but a gang of jewel thieves does.

A wealthy heiress that resides in Athens, is the victim of a robbery. Not only does her jewellery disappear but her maid is murdered while attempting to protect her. A police officer named Zaras is on the case. The primary suspects are ... an army of Laura's fans and Nelly, Laura's employer.

A man dodges jewel thieves while carrying a fortune in diamonds on the Orient Express.

Once a jewel thief always a jewel thief? Yes and no. Yes if you consider the fact that Michael Lanyard also known as the Lone Wolf once retired from the "trade" but relapses back into his old habits when he is tempted by the emerald pendant of beautiful socialite Marcia Stewart. The trouble (?) is that he falls for the belle and he soon gets more interested in getting the girl than the jewels that adorn her. What he wants now is to return the pendant but a rival gang interfere and force him to take part in a big-time caper.

The Lone Wolf Returns

Inspector Clouseau disappears, and the Surete wants the world's second best detective to look for him. However, Clouseau's enemy, Dreyfus, rigs the Surete's computer to select, instead, the world's WORST detective, NYPD Sgt. Clifton Sleigh. Sleigh obtusely bungles his way past assassins and corrupt officials as though he were Clouseau's American cousin.