Liang Shan Bo is a screenwriter whose online persona is a well-respected love expert. However, in real life, he has never so much as talked about romantic relationships! All his creative inspirations come from his muse Chen Yue Ling, a single mother who lives in the same building. No one knows about Liang's hidden crush - not even his manager of ten years! - but when an unexpected roommate discovers the secret of his unrequited love, Shan Bo's life is thrown into disarray.