Bomi first met Baekhyun at foster home. But only after 6 months they separated after someone adopted Baekhyun as their son. Baekhyun leave without even saying goodbye, leaving some lingering sad feeling everytime Bomi reminded about him. After 15 years, Bomi incidentally found some news about Baekhyun. What happened to him after all these years? And will this news bring them a good or bad meeting?