When Dorrit goes missing under Carrie's watch, Carrie lashes out at Sebastian, the one person who can help her find Dorrit. Mouse butts heads with West, a popular jock who, much to her chagrin, stole her spot as number one in the class. Walt surprises himself when he confides in someone completely unexpected. Meanwhile, Tom finds himself in uncharted territory when it comes to women and turns to Larissa for advice.

Carrie jumps at the chance to a take on a fabulous new identity as Larissa, but gets more than she bargained for when Larissa's hijinks catch up with her. After a whirlwind day in Manhattan, Walt is forced to face the feelings he is desperately trying to hide. Sebastian and Maggie agree to keep a secret from Carrie. Mouse takes a page from Donna LaDonna's playbook. Meanwhile, Tom decides to take a meditation class, but finds himself surprisingly tense after a run-in with another attendee.