Overview: Finch forgets to tell Jack about an important meeting with foreign clients, so he assumes Jack's identity and attempts to close a deal without Jack's knowledge. Meanwhile, Nina and her rock star boyfriend Simon (guest star Simon Templeman) force themselves to go clean in an attempt to get Nina's hard-partying granddaughter (guest star Sasha Barrese) to change her ways, and Elliott seizes an opportunity to confront his high school bully (guest star Jason Marsden).