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.
Turkish police arrest a false Arsene Lupine for stealing a priceless pearl.