In the Nian Continent where martial arts is respected, Nan Qing (Nan Yuqing), the second son of the Nan family who is regarded as a useless person by the world, was entrusted by his father to the Gu family in the capital city when the family was destroyed. The king in the eyes of the world and the former friend Gu Chen (Gu Junfan) in the eyes of Nan Qing... What story will happen between them...
Purpose: Don't act with the benefit of hindsight