Reborn after her death in jail, Hayeon Eun, a girl of 16, is snatched up by Taeman Ji, the director of a private organization, to whom her stepfather racked up quite a debt. She says she will pay it off in his stead, but somehow they end up living together. This is a love story where two people who couldn't take care of themselves take care of each other and find the light in the darkness.