Is knowing the truth worth living a lie?

The story of a husband who suspects his wife of adultery, and sets out to track down the other man in her life. They form an unusual relationship with some thrilling plot twists and turns along the way. In Cambridge, the software engineer Peter (Liam Neeson) and the shoe designer Lisa are successful in their careers and have been happily married for twenty-five years. They have an adult daughter, Abigail, and Lisa frequently travels to Milano to do business with the Gianni & Gianni Company. When Lisa is gone, Peter finds a message in her cellular and decides to snoop her e-mails and discovers in a secret folder named Love that she had a lover, Ralph. Peter travels to Milano and stalks Ralph; he finds that the man plays chest in a bar. Peter gets close to Ralph that tells his relationship with Lisa without knowing that he is her husband.