On a voyage from India to London, it is rumored that an infamous cracksman is onboard -- of course, it is Raffles (House Peters), who is accompanied by his friend, Bunny Manners (Freeman Wood). Raffles warns one of his fellow passengers to keep an eye on her necklace, which promptly disappears. Although a search reveals no evidence, the necklace is returned in a pack of cigarettes upon arrival in London. Lord and Lady Amersteth (Winter Hall and Kate Lester) are having a house party and Raffles attends. Captain Bedford, a noted criminologist (Fred Esmelton), is also one of the guests and he asserts that a very valuable string of pearls cannot be stolen. This only encourages Raffles, who takes it. He also steals the heart of his hosts' daughter, Gwendolyn (Miss Du Pont). Although Bedford finally captures Raffles, he escapes with Gwendolyn's help and they run off together. Raffles returns the pearls and resolves to start a new and more honest life. E.W. Hornung's celebrated novel about a gentleman thief was filmed several times.