Lonely Boat Crossing Mountains and Rivers

In 1935, the soul of a second-generation doctor in Peking broke off his engagement. Fiancée: This is how you will be for the rest of your life. Chen Huaijin smiled and said nothing. Later—— He used modern sterilizing and suturing techniques to treat traumatic injuries with zero infection and became the legendary "surgical master"; he improved the local method of penicillin, which directly shocked the entire underground front in North China; he formed the "Scalpel" special team and asked the Japanese intelligence department to write four words on the top-secret file: Invincible. From a young doctor in a medicine shop, he stood step by step at the center of the chessboard of the times. It turns out that time travelers don't need to be high-profile. Because something like sharpness cannot be hidden.