For Alice, life has never been better. After the death of her first husband, she has remarried and has a successful business, two children and a beautiful house. In Beth, she also has the best friend she has always wanted. A friend without judgement, she is the most trustworthy and loyal person Alice knows. So when Alice begins to suspect her husband Nathan is having an affair, Alice turns to Beth to help her find the truth. But soon, Alice begins to wonder whether her trust has been misplaced.