Alan and Wendy Barnet are a normal couple, who find their seemingly perfect marriage has lost it's spark. They want to reclaim their passion and make their sexual fantasies come true. An ad placed in a swinger's magazine leads them to the Zebra Lounge and a couple of experienced swingers - Louise and Jack Bauer, whose erotic prowess knows no boundaries. Initially resisting but eventually yielding to the charms of Jack and Louise, Wendy and Alan agree to an erotic liaison. The event is electrifying and begins their descent into a world of reckless abandon and sexual pleasure. But Jack and Louise become obsessed and Wendy and Alan realize they are involved in a far deadlier game than they ever imagined.