After getting out of a betrayal marriage, he moved into a youth apartment alone, thinking that he would close his heart and no longer be affected by the outside world. He would work hard to earn a lot of money to provide a more prosperous life for his robbed son. As a neighbor, he has great beauty but is indifferent. He thought he was just a passing acquaintance, but he didn't want to get involved in a love battle. Is she being used by him, or is he trying to redeem her feelings?