Jess invites her divorced Mom and Dad over for Thanksgiving dinner and enlists Nick and Cece to help her with a "Parent Trap" to reunite them. Meanwhile, Schmidt's cousin, Big Schmidt, visits, and Winston manipulates them into an escalating battle to prove their manhood.

Nick struggles to throw Jess the perfect birthday party, while Schmidt works overtime to help out Cece in her new job as bartender and Winston and Coach engage in a bake-off.

Jess' wild-child sister, Abby, pays a visit and immediately throws the loft into disarray. Meanwhile, Schmidt enlists Nick to be his wingman in crashing a bar mitzvah and Winston throws a dinner party with Bertie, which turns awkward when only Cece and Coach attend.

Nick and Jess try to keep their breakup a secret; Winston passes the police academy entrance exam and demands a celebration.

Jess takes a bumpy stroll down memory lane when she and the gang travel to her childhood home in Portland, Oregon, for her father's wedding.

Jess and Nick make two life-changing decisions and Winston and Aly's big day arrives.