Detective Rufus Cotesworth and his protégé, Imogene, dig for the truth on a Mediterranean ocean liner where everyone is hiding something.

Captain Barnes is called to duty to create a law-abiding task force, with the help of Gordon. Meanwhile, Penguin gets caught up in a favor for Galavan, and Nygma asks…

Mariah campaigns to turn the city and the police against Luke, and not even Misty or Claire may be able to save him.

Mariah’s political career comes under fire, and Cottonmouth picks up information that could put Luke on the run.

Murdock and Foggy get caught in the crossfire of the Punisher’s revenge. Karen and Murdock dig for the truth in very different ways.

Castle gets an offer he can’t refuse. Foggy and Murdock question the future of their firm, but Karen won’t give up so easily.