Twenty years after giving up her daughter for adoption, singer Wang Xuan devotes herself to raising her stepdaughter, Xu Ruolin. Meanwhile, Jiang Meili, who was adopted and lost her memory due to illness, unknowingly steps into her past. When Ruolin enters a singing competition to win back her ex-boyfriend, Guan Yi, Meili unexpectedly becomes her rival. As the competition unfolds, hidden family ties and complicated relationships come to light, revealing long-buried secrets.