Wade somehow convinces Lemon to dress up as Joelle as part of a scheme to convince Joelle's ex-boyfriend that he didn't actually see Wade and Joelle together. Lavon asks Zoe to help him figure out why Didi has been avoiding him, but once Zoe uncovers the shocking reason she isn't quite sure what to do with the information. George comes to Zoe for advice in determining whether there is a medical explanation for the behavior of one of his clients.