A princess descended from a ruined noble family disguises herself as the woman who saved her life and embarks on a mission to avenge her loved ones.
Spy couple live in their midlife crisis and are controlled by higher authorities based oversea. National security agency is chasing them and higher authorities is pushing them, where can the struggling couple go?
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.
