Rock devises a plan to destroy the gunship that seems to have trapped the Black Lagoon. Meanwhile, the Lagoon Company accepts Rock as a new member.

A gangster named Chin lures Dutch and the crew of the Black Lagoon into a battle at sea against Luak, the leader of rival pirates.

While on a mission to retrieve a valuable painting from a sunken U-boat, the Black Lagoon is besieged by missile-firing neo-Nazis.

After finding the painting on the sunken sub, Rock and Revy argue over looking for more loot while the neo-Nazis' own divers approach the wreck.

Dutch and Revy's violent raid on the neo-Nazi ship leads to surprising revelations about Revy and the Black Lagoon's mission to recover the painting.

The Black Lagoon crew must deliver a young hostage to a Colombian cartel, but Dutch has a crisis of conscience when he learns the boy's identity.

Gretel takes Eda hostage, demanding a getaway boat for herself and her brother. Meanwhile, Hansel holds off Balalaika's entire team alone.