Deception and Denial

When Mike and Ruth suddenly find their nest empty, with their sons at college, their life changes. Ruth has a secret that she's keeping from Mike; if he finds out, it could ruin their marriage. He has a well-paid position in a local firm but, when his boss decides to retire, a string of events lead to Mike having to keep a secret from his wife. Ruth knows she has to confess her secret to Mike... but how will he react? Is there a way to save their relationship? Will the cost be too high if Ruth were to know about his secret?