A few months have passed since the last game. Adriana left Oscar and now he lives with Gaby...and Mica. Valentin came out of the closet and is trying to be happy in this new stage of his life. Barbara and Leo were stripped of their belongings by Aurelia's lawsuit but they adopted Carmen and now have a "throuple."
艾薇（朱迪·科默 Jodie Comer 饰）有着一段悲惨的过去，她曾经被人囚禁在地窖之中，长达十三年之久。十三年后，艾薇终于逃出魔窟，报警求援，艾利尔特（理查德·兰金 Richard Rankin 饰）和搭档丽莎（瓦伦·凯恩 Valene Kane 饰）受理了此案，他们想从艾薇的口中获取更多的线索，然而，艾薇的证言仍旧缺少着最有力的支持，那就是确凿的证据。
Eight friends, all in a stable relationship, decide to venture into a game of sexual discovery by exchanging couples while trying to free themselves from their daily routine and add a spicy touch to their love life.