Ahn Yoon Soo is an art teacher. She dreams of small happiness in life, but her dreams are shattered by an unexpected incident that will change her life completely. Despite the hurdles she faces, Ahn Yoon Soo does not give up and maintains a strong resolve. Mo Eun is a mysterious woman whose identity is unknown. Due to her antisocial tendencies, everyone fears her, but she reaches a hand out to Yoon Soo, opening up a new world. (Source: Soompi)