In this social experiment, 10 smoking-hot celebrity singles think they're running away to a tropical island for a once-in-a-lifetime romantic vacation full of fun and sun, but just as the party is getting started, unwanted guests arrive to break up their good time. Paradise turns into a nightmare when their exes start emerging and everyone is left wondering whose ex will be next. Caught in a complicated web of hookups, deceit and revenge, could old loves reignite? Or will the flame of romance be gone for good? Welcome to Ex on the Beach.