Anna-Kat has a playdate with a "normal" girl, but Anna-Kat reveals herself to be a kleptomaniac, leading to a conflict between her, Greg and Katie as they try to resolve things.

Brennan has been kidnapped by her former assistant, Zack Addy, as Booth and the rest of the lab desperately search for her.

When Bull assists CEO Ginny Bretton, whose company is accused of killing an employee with its self-driving car, he discovers his client is keeping a major secret that could sabotage a trial win

Dawson and Casey deal with legal matters in hopes of remaining Louie's legal guardians. Severide continues in his efforts for a bone marrow procedure to help Anna, but when things don't go as planned, he finds himself slipping back into old habits. Meanwhile, Brett opens up to Dawson, and members of Firehouse 51 become competitive, much to the dismay of Chief Boden. [Chicago P.D. S04E09 Don't Bury This Case (2)]

NCIS searches for new leads after an undercover operation to apprehend a businessman who uses acts of terror to manipulate the stock market is compromised. Also, Bishop and Qasim find a break in the case together.

Pride must protect a beloved family friend who is engaged to the number one suspect in the ongoing NCIS and FBI cartel case.

When Reagan moves into the loft, Nick tries to "play it cool." Meanwhile, Schmidt embarks on a soul-searching journey when Cece and Winston challenge his love of electronic dance music.

Bob Lee and Nadine plot to secure evidence that could expose the conspiracy. Isaac searches for an exit strategy. Payne tries to flee. Julie and Mary are in danger.

The Hecks find themselves spending New Year's Day attempting to stave off a zombie apocalypse in the Orson Escape Room, desperately trying to beat the Donahue's record of getting out with more than one minute, eight seconds to spare. Meanwhile, Brick is convinced that the mild-mannered man assigned to the family's Escape Room group is really the famous author of the "Planet Nowhere" books; Sue divulges a secret about herself to Axl that's she's been keeping since childhood; and Mike is stunned when Frankie reveals that she had a romantic dream involving Frank Sinatra.

Eileen and Pat’s divorce papers come through, and Eileen realizes she is free to be with VP Murray, but their attempts are plagued with obstacles that make Eileen doubt her desires. Kenny tries to impress Brett by being a “bad boy” and gets a tattoo. Shannon puts out a petition to stop the dissection of frogs at school while Pat realizes that he needs to figure out how to be single again.