When Evelyn's new boyfriend, Teddy, invites Charlie and Alan to a boxing match in Vegas, Charlie is reluctant get to know Teddy. In Vegas, Teddy asks Charlie and Alan they will give their blessing for him to propose to their mother. Initially, Charlie and Alan think he's crazy for wanting to marry her, but they warm up to the idea. When they learn she turned him down, they go and try to convince her to marry him after all.