Who decided marriage was supposed to be the happy ending? Her husband cares about nothing but work, and she can no longer even tell him when she wants sex. Ironically, she works in city hall's family registry division, watching happy couples submit their marriage papers. One day, a man comes to her counter to file for divorce, yet he is strangely smiling. She feels a little envious, unaware that this is the man destined to change her life...