Joanie Sadler and Laurent Goff met and grew up together as children in an orphanage. After leaving the orphanage, Laurent set out to build a career and promised to one day give Joanie a home. Joanie was later adopted by Peggy Boswell and Benjamin Francis, a couple who had lost their own daughter. Peggy sees Joanie as a replacement for her lost child, and when Joanie's birth parents later come to claim her, the Francis couple forges false paternity test results to keep Joanie. Years later, the Francises' real daughter Joanna is found, causing the couple to immediately turn against Joanie and send her back to her birth parents. Joanna also resents Joanie for living the life that should have been hers. At this time, Laurent, through a paternity test from years ago, locates Joanie and arrives at the Francis household, bringing a billion-dollar investment project. However, due to a series of misunderstandings, Laurent mistakenly believes Joanna is his childhood friend Joanie.
Stella Hart, once a wealthy heiress, is lost and taken in by her foster mother, Serena Cook, who arranges a betrothal between her and her son, Jason Vale. After Jason suffers an accident, Stella sells herself to a childless couple to save him. However, once the couple adopts her, they later have twins and decide to abandon her. Stella’s grandmother, unable to bear her suffering, takes her in and cares for her with great love, leading a life of mutual dependence. Meanwhile, Jason and his mother work tirelessly to find Stella, and eventually, Jason becomes the president of a publicly listed company. On the other hand, Stella faces a series of misfortunes, including betrayal and mistreatment by a man she thought she loved. When Jason finally finds Stella, the person he has cherished since childhood, he vows to make up for all her suffering. As their story unfolds, Stella’s true identity gradually reveals itself, and they eventually reunite, with true love prevailing in the end.