Gu Yue, who grew up in an orphanage, met entrepreneur Gu Tingshan through an unexpected rainy night, and the crescent moon birthmark on her eyebrow bone brought out the mystery of the misplacement twenty years ago. Facing heavy obstacles of her identity being replaced, appraisal being tampered with, and reputation being framed, Gu Yue steadfastly pursued the truth with her original intentions, and finally restored the truth of the misplacement under multiple corroborations, recognizing her biological father. She let go of past grievances, picked up the late-arriving family affection, chose to live facing the sun, and started her own brand-new life.