Cassie's sister disappears and is found murdered near a swingers club. Cassie investigates the club's dark underworld to identify her killer, uncovering more than expected.Cassie's sister disappears and is found murdered near a swingers club. Cassie investigates the club's dark underworld to identify her killer, uncovering more than expected.Cassie's sister disappears and is found murdered near a swingers club. Cassie investigates the club's dark underworld to identify her killer, uncovering more than expected.