Brendon and Priya want to explore Priya's bisexuality... will her steamy hot tub and sensual time in the bedroom hit the spot? Chelsea and George disagree over how far they should take things.

Katey and Dan plan a night of fun with residents Josh and Holly, while Nicolle and Ben take the next step into non-monogamy and try a couple swap. Can Nicolle overcome her anxiety and insecurities?