A man does not have much time to live. Giving everything he has, he struggles to help a woman whose life was destroyed because of him. Soo-Ho (Kim Jung-Hyun) is the CEO of a restaurant and the son of a family that runs large company W. Due to him, Ji-Hyun’s (Seohyun) life is ruined. Soo-Ho wants to turn back time for Ji-Hyun. Meanwhile, Ji-Hyun had a bright personality and easily socialized with others, but things changed. Her younger sibling suddenly dies and her time stops right there.