Synopsis：To repay a life-saving favor, Neil signs a secret contract with Keira’s father: he will marry her for five years and help her heal from the heartbreak of her first love, Simon. Throughout the contract marriage, Neil is gentle and devoted, yet in Keira’s eyes he remains nothing more than Simon’s stand‑in. When the five years end and Neil realizes she is still obsessed with her ex, he decides to file for divorce. Only after seeing the divorce papers and hearing that Neil is truly leaving does Keira wake up and run after the man who has always loved her. But by then, Neil has stepped onto a new and promising path, leaving her alone with regret and a love she understood too late.