Yuko is married to the president of a construction company. She was Yuko who was under the pressure of her mother-in-law every day to become her heir, but the existence of her younger sister Aki, who was her only relative, healed her heart. She built a warm family, and her younger sister gave birth to a new life. However, an incident in such a situation causes her to take a sudden turn. It was Yuko who tried to rebuild her sister's home that had been devastated, but was forcibly violated by her desperate brother-in-law. ``I can't destroy her sister's family...'' However, her determination falls upon Yuko in the worst possible way.
