Secretly operating his cruiser as a casino at sea isn’t enough for California mafia don Lukino Marcano. He’s also looking for the gold-laden boat wreckage worth the budget of a small country! Lupin sniffs out the plan to recover this long-lost treasure and brings along his partners Jigen, Goemon, and Fujiko for the ride to crash Lukino’s party. But Inspector Zenigata is always on Lupin’s tail, and this time...