When Steph McKinney invites her pregnant older sister and her husband Alice and Dave Flannery on a luxury vacation to Cambodia with her new boyfriend Jeremy King, they all expect to have the time of their lives with Steph hoping to progress her new romance and Alice and Dave glad of some time away from parenting their two children. However, things take a dramatic turn when Jeremy mysteriously goes missing with no explanation after a night of partying. As the rest of them return home to relentless questioning by police, some troubling secrets start to arise about the real intentions of the trip, Jeremy's Asian import business and what really happened at that party. Steph begins to worry that the drug-taking that night might affect the police's case and the trio start to lose trust in each other as they each wonder who's keeping what secret information and from whom.
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The film is expected to continue without Mendes' involvement.