The Retreat

Plot synopsis:
London architect Martin Kennedy (Cillian Murphy) and his journalist wife Kate (Thandie Newton) often visit a small, remote, uninhabited island off the west coast of Scotland called Blackholme Island, for their holiday retreats. The only dwelling on the island, Fairweather Cottage, is seasonally operated by the owner Doug from the mainland and only reachable by ferry. After previously suffering a miscarriage, Kate's relationship with Martin has become tense, and in an effort to rekindle their marriage they decide on a return visit to the island. A few nights into their stay, the generator in the cottage explodes, injuring Martin's arm and leaving them without electricity. They use the CB radio, their only source of communication to the mainland, to call Doug who agrees to ferry out to help them.
Kate spends the next day waiting at the jetty for Doug to arrive, but to no avail. Later a mysterious man in green combat fatigues washes up on the island, bloodied and half-conscious. When he comes round, he identifies himself as a soldier, Private Jack Coleman (Jamie Bell). He tells Martin and Kate that there has been an outbreak of an airborne disease, Argromoto Flu, codenamed R1N16, which started in South America and has spread over the entire world in the timespan of a few weeks. The virus is incurable and highly contagious, attacking the respiratory system and causing the victims to choke on blood with a 100% fatality rate. Jack says that the military has lost control, and is now advising civilians to seal themselves up in their homes and not allow anybody access. With only static now coming from the CB radio, Martin decides to play it safe and help Jack, who aggressively takes command, board up the door and the windows.
Over the next few days, Jack becomes increasingly strange and erratic, and his intimidating behaviour begins to disturb the couple even further. They even suspect that the virus might not be real and Jack is insane. When Kate asks him if he is married, he tells her his wife died of R1N16 and he becomes aggressive and threatening. Martin and Kate decide to leave the cottage and take their chances outside, but Jack refuses to let them, forcing them into the bedroom at gunpoint and locking them in. Martin sneaks outside through a skylight, finding the bodies of Doug and his wife at the pier, killed by gunshot wounds. Using Doug's hunting shotgun, Martin returns to the cottage and gets the upper hand on Jack. However, just as Kate begins to tie Jack's hands behind his back, Martin suddenly begins coughing up blood; it appears the Argromoto Flu is very real and he is infected. Kate is forced to shoot her husband dead with the shotgun, to spare him a slow and agonising death.
Jack reveals to Kate that he was experimented upon at a secure military compound, from where he was released without realizing he was a carrier of R1N16. Jack infected his wife, killing her, and he fled to Blackholme Island to quarantine himself. Jack reveals the CB radio worked all along, and he just changed the settings so Kate and Martin would not be able to reach anyone. Jack fixes the CB radio and the military broadcast on it claims the soldiers have a vaccine to the virus. He tells her that the military are lying, there is no vaccine, and that the military will not allow them to leave the island alive. Kate does not believe him, and angered by the possibility that Martin could have been saved she shoots Jack dead. As she attempts to leave the island in the boat with Martin's body, a military helicopter flies over and she is killed by a sniper who shoots her in the head.

Tags: violence, murder

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