Moon Kang Tae (Kim Soo Hyeon) is a public health worker who works at a psychiatric ward. He lives on 1.8 million won a month. He takes care of his elder brother who has autism. Moon Kang Tae has a whole range of excellent qualities, ranging from body and appearance to intelligence, patience, quick reaction and willpower.
Gu Moo Young (Seo Ye Jin) is a popular children’s book author. She suffers from antisocial personality disorder and has been isolating herself from people since she was young.
The drama is about a man who denies love, and a woman who does not know anything about love, challenge fate, fall in love and discovers themselves in the process.