Abbi tries to extort Trey after she discovers one of his secrets, but the plan quickly goes awry.

Boo dabbles in blackmail, Nicky promises to help Lorna, Doggett makes a discovery, and Piper comes to a realization about Alex.

While Jack puts together the perfect 50th birthday party for himself, home videos inspire him to try to recreate his happiest moment. Dennis decides to tell Liz about his addiction….