Based on the true story of Henri Charriere, also known as Papillon, which is French for ‘butterfly’ (the character even sports a large tattoo of a butterfly. A petty criminal, Papillon is wrongly convicted of murder and sentenced to life in a French penal colony in ‘Guiane’ (French Guiana, South America). Papillon is determined to escape but attempt after attempt meets with difficulty, resulting in eventual recapture. He continues his attempts to escape despite incarcerations in solitary confinement as punishment.

When a pearl with a sinister reputation for causing misfortune to its owners is stolen from a museum by a master criminal because of Sherlock Holmes’ show-boating, he is naturally obliged to find it. Soon, he learns of a series of brutal murders that seemed to have been commited by a malevolent man mountain known only as the Creeper. Now, Holmes must deal with the seemingly overwhelming menace of this man and his boss in order to retrieve the pearl.

The sea underworld is shaken up when the son of the shark mob boss is found dead and a young fish named Oscar is found at the scene. Being a bottom feeder, Oscar takes advantage of the situation and makes himself look like he killed the finned mobster. Oscar soon comes to realize that his claim may have serious consequences.