In a lonely mansion on a stormy night, Evelyn Harrington attempts to flee after concealing a crime she committed just minutes before. She is about to leave everything for a better life and braces herself for a rendezvous with her accomplice. Everything seems normal until it doesn't. Two unexpected visitors knock on her door seeking refuge from the bad weather. Evelyn realises she may face more than just the storm that night. The film revolves around the aftermath of an affair and Mrs. Harrington's decisions, and the situations that play out that night unravel a thrilling story.