Jimmy Michaels and Mike Ox, stepsiblings vacationing together, find their women, Lucy Foxx and Selina Bentz, in a compromising position. An online review gone viral has exposed their taboo relationship, leaving them no choice but to confront their feelings. Awkwardly, they agree to explore their desires, their bodies intertwining in an intense, horny foursome. The sexual experimentation leaves them breathless, their bonding over sex both liberating and terrifying.