With Gemma still denying anything happening in Vegas, Arg uses Bobby to try and get to the truth. Sam bumps into her ex-boyfriend Lewis and invites him to her wine and cheese party. Ferne gets relationship advice from Mario, leaving Lucy confused over his intentions, and Tom angry that he's gotten into Lucy's head again. Elliott urges Sam to be more brutally honest with her feelings towards Joey, and Arg makes an unwelcome apology to Gemma.