Xu Wu, chief resident of the Department of Cardiology, and Song Tingxi, the airborne deputy director of the Department of Cardiac Surgery, got married due to a blind date and agreed to keep the marriage secret until she was promoted to chief physician. In a high-pressure workplace environment, the two supported each other with their professional abilities, from a strange contractual relationship to a gradual sincerity. In the face of disturbances such as entanglement with her stepbrother and reports from colleagues, Song Tingxi always protected her and finally made her relationship public. The delicacy of modern romance is intertwined with the resonance of the cause of strong alliances. The two achieve better each other during side-by-side treatment, and join hands in heading for freedom and the future.