In the late Ming Dynasty, Shen Chuan entered Jinyiwei in order to clear up old cases and met the talented Liu Chuyao. The two were involved in the struggle between powerful ministers and the secret case of Jianghu, and the team gradually expanded to a six-person sworn alliance, both a iron-blooded warrior and a witty detective. They solved mysteries, traveled to temples and martial arts, their identities and emotions were intertwined, and they protected each other in the turmoil of their home country. Multiple story lines go hand in hand, it is difficult to tell the truth from the false, and jokes and twists coexist. In the end, the main characters will influence the situation between the government and the opposition, and they will grow up and choose their own destiny under the conspiracy and power struggle. Friendship, love, family and country, and disputes all come to an end one by one with humor and tears.