Simon is trying to land a new client. He learns that the client's son is having his Bar Mitzvah and the host dropped out. So Simon offers the services of Zach who was once a Bar Mitzvah DJ before Simon discovered him. So he does it but he runs into the girl whom he liked who dumped him and she tells him she was never serious about him which makes him breakdown. And the party goes bad. And Sydney is attracted to a guy at the party but things change when she learns he's a waiter and he picks up left overs.