Wang Feng was originally a special national security investigator. Due to an accident, his legs were amputated and he returned to his hometown to demobilize. When his father, an old revolutionary, was dying, in order to cheer up his son, he gave him a pocket watch and a suicide note. He accidentally fell into the cellar in his backyard and traveled back in time to the 30th year of the Republic of China. He became a complex person who combined a Japanese spy, a military spy and an underground party.
Wang Feng secretly joined the Communist Party of China in 1927. An agent who combines contemporary National Security and Republic of China agents fought on the secret front to save the country and became a red ace agent during the Anti-Japanese War!
