Four years into marriage, their relationship is one that everyone envies. They have no children, yet their bond remains as strong as it was during their honeymoon. However, something is missing—sex. She still loves her husband and doesn't want to lose him, but he never initiates intimacy. Her sexual frustration grows day by day, slowly eating away at her heart. Finally, she makes a decision. For the first time, she lies to her husband while he's away at work: "I'm going on a trip with a friend." In that moment, something inside her breaks. That night, in the arms of a stranger, the married woman reaches climax.