Susan Todd, heiress of the wealthy Todds, was abducted as a child and subsequently rescued by Hans Lawson. In gratitude, she marries Hans, who is now the CEO of Lawson Group. Hans has been searching for the little girl with whom he made a marriage pact back then. Unaware that Susan is the one, Hans forces her to divorce, only to be overcome by regret when Susan reveals her true identity later on.
When Lily Quinn and Lucas Mosby were young, their grandparents set a marriage pact for them. However, Lucas has been living abroad, so no one mentions it. On the day he returns home as the CEO, both receive surprise calls from their grandmothers, telling them to meet at a restaurant for a blind date. That’s when they learn about their engagement. Lily, who dislikes arranged marriages, decides to ruin the date. She asks her best friend to help her find a temporary boyfriend. However, she mistakenly thinks the man who shows up is her rented date. To her shock, it’s actually Lucas, the very CEO she is supposed to meet.
Lucas Fuller was obsessively in love with Vivian Ashford, daughter of his family's driver, pursuing her from college and finally getting married. However, Vivian's heart belonged to Alfie Collier, and together they conspired to kill Lucas by exploiting his diabetes, tempting him with food until he died. In his final moments, Lucas witnessed a heartfelt confession from Isabel Harlow, who had also once struggled with obesity. Upon being reborn, Lucas returns to Alfie's birthday celebration where he sees Vivian attempting the same manipulative tactics, using him as an ATM. This time, Lucas changes his fate by exposing Vivian’s deception and publicly professing his love to Isabel, despite facing ridicule. Lucas and Isabel make a pact to win a modeling competition to humiliate Vivian and Alfie.
Celia grew up in an orphanage. After being reunited with her family, her mother passed away during a bitter divorce. The orphan girl she adopted, Nancy, turned out to be a matchmaker who accidentally bound Celia to her cold CEO boss, Henry. Haunted by childhood trauma, Henry was physically allergic to women, rendering his blind dates disastrous—until he met Celia and relentlessly pursued her. Mistaking his avoidance of others as disinterest in women and fearing their professional ties, Celia fled and even tried to quit. They forged a marriage pact to cure his condition, but their fragile bond was sabotaged by Celia's stepsister. With Nancy's schemes and Henry's grandmother's support, their relationship deepened. When Celia's childhood friend returned, declaring their love a "fake crush." Could their fragile bond survive?