Su Wanruo, needing money for her sick brother, becomes the personal secretary of her boss Ling Yun under a strict 24/7 contract. Over five years, she falls for him, but he sees her as only a contract lover. After betrayals, tragedies, and a journey of revenge with the help of Fang Mu, Su finally rebuilds her life and establishes her own independent business, proving female empowerment.