NCIS investigate the death of a man on a cruise ship after McGee's mother-in-law discovers the body in the ship's sauna.
Michael falls into a koi pond during an important business meeting, which prompts a slew of mockery at the office. Meanwhile, Pam and Andy are constantly mistaken for a couple while making cold calls.
Jane and the team are pulled deep inside the world of horse racing after a jockey is found murdered.
Ray sets out to shut Van Miller's investigation down with an incriminating video. Meanwhile, Bunchy's housewarming party gets out of hand and Mickey puts the kids in danger.
An old friend asks Cal to look into the theft of the formula for a new drug after a knockoff surfaces and causes three deaths. Meanwhile, Gillian and Eli help the U.S. government negotiate the release of two Americans facing execution in Yemen for possession of marijuana.