Wei Zhao, the top combat therapist of the Interstellar Federation, accidentally fell into the Republic of China Concession during a mission and was rescued by Song Li, a heavily armed guard general. Armed with inter-galactic medical technology, he used medical skills that were far ahead of his time to treat hidden comrades. At the same time, he cooperated with Song Li to deal with various forces, and in the turbulent espionage situation, he tore through the numerous blockades set up by the enemy and puppets.
