In the turbulent times of war, the general Jingbian, the old marquis, died in battle, and the frail prince died of grief. When he opened his eyes again, he was already a soul from modern times. Faced with the emperor's suspicion, the courtiers' secret assassinations, and the palace's conspiracy to seize power, he inherited the general's legacy, stood on the edge of the cliff, and walked on the tip of a knife. Let's see how this lonely soul from another world can investigate his father's hatred, break the deadlock, command a strong army, and turn the tide of the empire when it is in decline. When the final truth tore apart loyalty and betrayal, he chose to rebuild the world at the end of the war.