Alice knows that life could have been different if her first husband had lived, but Nathan's arrivale into her life gave her back the happiness she craved. And with her best friend Beth by her side, Alice can survive anything. So when Nathan starts acting strangely, Alice turns to Beth for help. But soon, Alice begins to wonder whether her trust has been misplaced. She doesn't know she's already made one mistake. And this time, the first mistake could be her last.