Stemming from primary school "entrance exams", a series of complex relationships form between five "mom friends". It is "mom friend hell": a place where friendship, envy, vanity, rumors, superficiality, lies, and betrayal combine in dizzying fashion, and once you enter, you can never leave. The women believed their battles ended with graduation, finding jobs, getting married, and having children. However, what was waiting for them were the new battles of "mom friends" and "entrance exams". For every woman searching for her own happiness, a show about women by women for women.