Atsushi Godai and his wife, Saaya, have been married for ten years. He believes they are a happy couple, raising their only daughter together. But one day, Saaya abruptly announces that she is leaving him. For Atsushi, this comes as a complete shock—yet for Saaya, it is the breaking point of years of suppressed resentment and mistrust. As her true feelings clash with his justifications, the question arises: how can two people who share every day see their marriage so differently?