Yoon Jeonghan is the epitome of hardworking, kind, smart, and loving. The fact that he lost his parents 10 years ago in an accident and leave him alone to live in this cruel world doesn’t make him a weak boy instead he becomes more strong and hard working. He’s thinking that now he is alone in this world, he will not have anyone else to help and support him if he falls down. He solely depends on himself and he never allows himself to depend on anyone.

Choi Seungcheol, the CEO of the Choi Enterprise lose his wife but gains his miracle, his son, Chan. He lives alone for 7 years with his son accompany him. He thought that he will never learn how to love again but then he meet Yoon Jeonghan. Once again he learns how to love.