Set during the Japanese occupation of Shanghai in 1941, the drama follows Chen Shan who was forced to be a Japanese spy to save his younger sister who was held in captive; and his journey to become a patriotic fighter.
Overview：Set during the Japanese occupation of Shanghai in 1941, the drama follows Chen Shan who was forced to be a Japanese spy to save his younger sister who was held in captive; and his journey to become a patriotic fighter.
