Lu Li admires genius programmer Jiang Yicheng and follows his path, excelling in school. After graduation, she disguises herself as a man to join his company, which doesn’t hire women. Balancing work and her secret, she strikes a deal with Jiang Yicheng to become a "contract couple" for a year.
Gu Chuan is a passion-filled, vibrant young man with his whole life ahead of him – until his life is turned upside down by a sudden traffic accident. He suffers life-threatening injuries to his heart and surgeons are able to save him by giving him an emergency heart transplant.