Beth is an American mother based in London who goes to Croatia for a holiday with her best friend Kate. Beth tells her friend that her marriage has reached a monotonous stage and she doesn’t know whether to continue or not. The two go to a club and two men flirt with them. Kate then suggests they go on a one-night stand. The next morning, Beth wakes up hungover and realizes that her friend Kate is missing. Both her husband and the police are indifferent, but Zain, a taxi driver who drove them to the club, agrees to help her look for Kate.