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.
In her past life, Yasmin donated bone marrow to her father, Howard Lester, who was suffering from a severe illness. However, her family only favored her sister, Ruby. As Yasmin's health worsened, she passed away tragically amidst her family's misunderstanding and indifference. When she opened her eyes again, she found herself reborn. Determined to change her fate and reclaim everything she lost, Yasmin participated in a movie audition. She became famous for her emotional crying scenes and was taken care of by her mother's best friend, Chelsea Ford. With Chelsea's help, Yasmin exposed Ruby's true nature, revealing to her father that her late mother had been his true love, leaving him filled with regret. Despite everything, the kind-hearted Yasmin still donated bone marrow to save her father. Cherished by those around her, Yasmin grew up happily and ultimately had her own fulfilling life.
Edward Allen, the CEO of Allen Group, happens to run into his old classmate, Abbie Howard, one day. At that moment, a pompous blind date humiliates Abbie, leaving her completely shattered. Edward can't stand to see his former classmate treated this way, so he strides forward and skillfully rescues her from the situation. In that moment, Abbie sees a glimpse of the brave, fearless boy she once knew in school. Warmth floods her heart, and her gratitude toward Edward is undeniable. Back in their school days, Edward was a quiet, unassuming boy who was often bullied by school thugs. It was Abbie who, one day, courageously grabbed his hand and helped him escape those troublemakers. From that moment on, Edward felt a deep sense of gratitude and respect for Abbie. Now, back in the present, Edward learns that Abbie is under pressure from her parents to get married. Seeing the helpless look in her eyes, he comes up with a plan—he offers to pose as her boyfriend to fool her family. Hiding the fact that he's a powerful CEO, he moves into her home and pretends to be just an ordinary guy. From that moment on, they begin a life of love after marriage, living in a romantic world of their own. As her husband, Edward cares for Abbie, making her feel warmth and happiness she's never known before. Gradually, Abbie is moved by Edward's genuine heart and starts to develop deep feelings for him. Their love, like dazzling fireworks, illuminates both their lives.