A female surgeon who has practiced medicine abroad for many years returns to China. She is appointed as the director of the Heart Center of Ankang Hospital where she establishes a critical illness team and heads the project to develop artificial hearts domestically. Most people could not accept that Tang Jiayu (Qin Lan) has come out of nowhere to become their boss. Nonetheless, she kept on proving herself through a series of difficult operations to conquer her subordinates one by one.