Sheng Huaian unexpectedly finds himself in a military camp on the frontier. Inspired by the veteran soldiers around him, he gradually comes to understand that behind him lies the warmth and safety of countless households. Determined to protect the people within the city and ensure they can live in peace, he takes up his bow, climbs the city walls, and trains in martial arts and swordsmanship. Through one trial after another, he tempers his resolve. From an inexperienced young man to the God of War on the frontier, Sheng Huaian dedicates himself wholeheartedly to protecting his homeland, bringing peace to its people and preserving hope for Great Wei.