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.

BetrieklivesattheedgeofapeatbogintheNorthoftheNetherlands.Whensheandherfamilyareattackedbyarandomstrangeronenight,Betrieksetsouttofindanexplanation.Themoreshedigs,themoreshebecomesconvincedthatsheisbeinghuntedbysomething…