Ha Eun Joong was kidnapped in an act of revenge when he was really young by the man who believed that Eun Joong's real father was the mastermind behind the collapsed building incident that killed his son. Eun Joong who grew up to be a policeman, was shocked to find out the truth that the father he loved so much was actually his kidnapper. His life began to get entwined with Woo Ah Mi, a 26 year old single mom as he seeks out the meaning of life after encountering numerous despairs and tries to heal the wounds in his heart.