Feeling guilty over floating Frankie's 50th birthday for too long, Mike enlists Axl and Brick to help him set up a surprise party for her. Meanwhile, Sue finds herself being mocked after posting a sign in the dorm laundry room to help find one of her lost socks, and after Brick turns in an "I Can't" project at school and indicates that he can't do sports, Coach Babbitt makes it her mission to turn him into an athlete.