Zhao Yu, a modern-day migrant worker, traveled through time in a car accident and became the second son and sixth prince of the Queen of Zhao. He relied on modern thinking to reorganize the military camp, outsmart powerful officials, resolve diplomatic crises, and repeatedly made extraordinary achievements. However, he only wanted to help his frail brother secure his position as prince and become a free and easy prince. In the face of conspiracy and betrayal, he fought decisively to protect his family, country and brothers, becoming an alternative legend of his generation.