Trailer for Blade's Edge

In 1940, multiple forces occupied Nanjing. Agent Jin Shenshui (played by Zhang Yi) worked all day long between the Japanese military, the Wang Puppet Government and the military commander. Like walking on the tip of a knife, he had multiple identities and lived cautiously in the devastated city of Nanjing, hiding his true self and looking for a way out for himself and even the entire nation. Until he met Lin Yingying (played by Lang Yueting) who shared his hatred of the country and family, but seemed to be more capable than him. While fighting side by side with her and engaging in overt and covert battles with various forces, Jin Shenshui, who was trying to survive in troubled times, began to truly awaken for the first time...