Dave and Alli get back together, when Dave joins a model UN with Alli. Dave's summer fling, Jacinta, tries to reconnect with him, Dave calls her a stalker, and tries to remove all connection with her. Adam, with an LGBT button on his backpack, begins... (more) to receive notes from an admirer, Tori explains it is a friend of her's, who is interested in Adam. Marisol teams with Mo to enter the model UN.