A long-planned conspiracy, a life that is switched. Charlotte Barlow, the daughter of the wealthy Goodman family, is swapped at birth by the maid Danielle Fuller with her own daughter. Overnight, Charlotte Barlow, who should have been the family's pride and joy, is reduced to a servant's daughter and suffers constant abuse. Meanwhile, Stella Goodman, who should have lived in poverty, becomes the pampered heiress. By chance, Charlotte saves her birth mother, Britney Goodman, and is brought into the Goodman family. Fearing the truth would be exposed, Danielle, who works as Britney's maid, schemes to frame Charlotte, causing her to be wrongfully accused. Stella, who accidentally discovers she is the "fake heiress", also fears her true identity would be revealed. The two conspire with Jordan Goodman, Britney's live-in husband, to poison Britney while repeatedly framing Charlotte, causing her birth mother to misunderstand her! Fortunately, Lionel Goodman, the family's adopted son, helps Charlotte uncover the truth. The two fall in love as they get to know each other and provide mutual comfort and support.
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.