At night in Lin'an City, Shen Qingyan was surrounded and killed by dead men because of a secret letter and a broken jade ring that said "an old friend has come to the west, old debts must be repaid", and the shadow of old grudges quietly shrouded. At the same time, during the Warring States Period and the Qin Dynasty, Zhao Qi activated his combat merit system after losing his mother, bid farewell to his childhood sweetheart Li Yaner, and joined the army. With the blessing of the system and his extraordinary courage, he worked step by step in the harsh military camp, while tempering his strength while rushing towards his legend on the battlefield. Two lines of fate, each with hidden secrets.
