Zhang Qiansheng, a renowned criminal defense lawyer with over 30 years of experience, has won more than 2,000 lawsuits and helped countless billionaires avoid conviction, earning himself a fortune. Standing in court, he is feared and revered. However, due to an accident, his soul is reincarnated into the body of a law student named Zhang Wei in a parallel universe. From then on, the ordinary law student Zhang Wei becomes an invincible lawyer! This time, with the help of a simple-minded friend, he gradually transforms from the cold and ruthless lawyer Zhang Qiansheng into a warm and righteous lawyer Zhang Wei.