

Lupin has been spotted fleeing the scene of a robbery.

Steel tries to smuggle parts of machinery across the sea, disguised as modern art. But Lupin and Grognard are onto him.

Steel kidnaps a scientist who built a new jet engine and Lupin plans to expose him. However, Ganimard and Folenfant are on his tail.

Lupin seeks a treasure that sank with the Titanic, left behind by his father.

Karst steals the deed to a rich old man's property and blames Lupin.