Ava and Nathan go to a sex party to rekindle their spark; Matt is confronted by a fellow addict.

Ava and Nathan look for Drew; Matt and Tory plan their wedding, but he gives into his dark desires.

Matt's past comes back to haunt Ava and Nathan; Ava realizes her obsession has become an addiction.

Ava and Nathan are on a game show with deadly stakes; Tory and Matt are on the run from the police.