After her sister's murder, Nic, her younger sister and two friends seek solace through a Pacific island kayaking adventure. Hours into the trip the women are stalked by a shark and must band together, face their fears and save each other.
After a breakup, Wes ends up at a remote rest stop. He finds himself locked inside the bathroom with a mysterious figure speaking from an adjacent stall. Soon Wes realizes he is involved in a situation more terrible than he could imagine.
Tomaz, an ex-soldier now homeless in London, is offered a place to stay at a decaying house, inhabited by a young woman and her dying mother. As he starts to fall for Magda, Tomaz cannot ignore his suspicion that something insidious might also be living alongside them.
