Jack gets attached to Liz's nurturing parents because they provide the love and support he never got from his mom. The staffers get ready for their raunchy holiday party, but Kenneth changes their plans at the last minute.
Jack nervously coaxes Liz into joining him at a corporate retreat. Meanwhile, Jenna employs method acting techniques in preparing for her role as Janis Joplin, with Frank's help. And Kenneth wants to prove to Tracy that diet impacts diabetes.