One woman. Many enemies... Home alone on a Friday night, Katherine is anticipating a peaceful evening. But that all changes when she receives a shocking note through her letterbox... The note tells her that she only has one hour left to live, but with no other information, Katherine has no idea who just threatened her or why. But things quickly go from bad to worse when she suspects her tormentor is already in her home and suddenly, her fight for survival begins. Forced to reflect on her life choices and with a sizeable list of enemies to choose from, Katherine may have met her match. Who wants to kill her? Why are they doing this to her? Is this really her last hour?