Brilliant modern engineer Julian is murdered, only to awaken in the body of a despised prince who has just been killed. Surrounded by scheming brothers, corrupt ministers, and an invading kingdom, he uses modern knowledge and strategy to escape the capital and take command of the North. Once mocked as a useless coward, Julian rises into a feared military leader, uncovering the truth behind the Crown Prince’s death while preparing his revenge against everyone who betrayed him.