

As children, Gigi Murray and Milo Sanford made a pinky promise to marry each other. Eighteen years later, Milo has become mentally impaired, but Gigi remains devoted and marries him. After a fateful accident, Milo regains his memory, only to discover that the person who killed his parents is none other than Gigi's adoptive father. Consumed by rage, Milo turns against Gigi. Amidst the turmoil, Gigi's true identity is revealed, uncovering a web of secrets and betrayal.

On their wedding day, Betty Gibson, an architectural designer, was shown a video of her groom Justin Norton cheating with her best friend. She broke off the engagement on the spot. To get back at him, she decided to marry Justin's disabled uncle, Jason Norton. After marriage, Betty learned that Jason had trouble walking and lived in poverty, so she worked hard to support him. In reality, Jason was the CEO of the famous Morgan Group, pretending to be disabled to investigate a fire ten years ago. Though it was a contract marriage, he walked a tightrope every day to hide his identity. As they overcame various crises together, Jason became increasingly drawn to Betty, and love began to blossom. However, as their relationship deepened, the truth about the fire ten years ago was revealed. The mastermind was none other than Jason's brother Jeff Norton, and the person who saved Jason's life in that fire was Betty herself. In the end, the villains were brought to justice, and the two lovers who cherished each other finally found happiness.