Phil tricks Luke into taking a dance class, but the jokes on him when the white lie indirectly lands him in the slammer. Meanwhile, Jay and Gloria are throwing birthday parties for both Manny and Joe and are concerned Manny might be going for girls out of his league, and Mitch and Cam get a rude awakening in the cutthroat world of booking a wedding venue.
When a petty officer's murder matches the MO of a local serial killer, the NCIS team must determine if this is the killer's latest victim or the work of a copycat. McGee and Delilah must learn to compromise before moving in together.
Ray attempts to reconnect with his family and repair his relationship with Bridget following the shootout, Abby's medical diagnosis threatens to upend the Donovan family and Mickey plans a heist as Detective Muncie closes in on his whereabouts.
Election Day rolls around and with his stake of the NFL team in writing, Ray prepares to take down a rival bidder. Mickey has to find a way to keep the prostitutes working.
Ray attempts to help Mickey. Bridget gets into a fight.