Wade (Wilson Bethel) somehow convinces Lemon (Jaime King) to dress up as Joelle (guest star Courtney Parks) as part of a scheme to convince Joelle's ex-boyfriend (guest star Ted Welch) that he didn't actually see Wade and Joelle together. Lavon (Cress Williams) asks Zoe (Rachel Bilson) to help him figure out why Didi (guest star Nadine Velazquez) has been avoiding him, but once Zoe uncovers the shocking reason she isn't quite sure what to do with the information. George (Scott Porter) comes to Zoe for advice in determining whether there is a medical explanation for the behavior of one of his clients.