Chen Tianlin, a world-renowned Chinese surgeon, is reborn due to a conspiracy, returning to the day his mother died. He is recognized as the master of a doctor's assistance system from a thousand years in the future. Relying on the medical skills he mastered in his previous life and the medical skills he exchanged from the assistance system, he successfully cured many incurable diseases, becoming an object of vying for friendship among the upper class of various countries, and even changing the course of human reproduction!

Jia Dongming, the company commander of the Tiger Special Operations Company of the Southeast Military Region of China, was sent to the 1950s by an RPG in order to save his comrades during an operation against terrorists abroad, and became Jia Dongming, the boss of the Jia family who never existed!