Takeda is an honest police officer, father and husband, but after he’s promoted to detective he quickly becomes embroiled in dirty back room dealings, blackmail, and corruption that goes right to the top of the force. Meanwhile, renegade investigator Kusama must decide whether he should shake the foundations of Japanese law enforcement with the information that has come into his possession about the police.

Secretly operating his cruiser as a casino at sea isn’t enough for 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.