Catching the eye of a wealthy gentleman, spunky Ha-won gets hired to live with his three immature grandsons so she can whip them into shape.

Jo Jin-Gab was once a promising judo athlete. He protested against corruption at a game and he was kicked out of the sport. After that, Jo Jin-Gab became a gym teacher. Again, he could not control his anger against the son of the school's chairman. Jo Jin-Gab was once again kicked out of his profession.

Jang Deuk-Cheon is the chief of a crime squad. At home, he is kind and friendly father to his daughter. He meets a human clone and gets involved in a shocking case. A battle takes place between human clones.

Hyun Joo had a hard life after losing her mother to a brain tumor at a young age. It was her husband Kim Do Yeong, who saved her. However, she finds out that she will also die soon like her late mother. The fear of leaving her family in the same pain and agony she went through as a child is bigger than the fear of dying. This leads her to tell her husband, “I’ve fallen in love with someone else”, as she hides her pain. During the last moments of her life, she goes off to find true love in.