Lu Chen, CEO of the Lu Group, suffers a car accident, and his soul unexpectedly enters the body of the introverted and timid high school girl Su Xiao. In this misplaced life, amidst the hilarious daily routines of adapting to campus life, he secretly investigates the conspiracy behind the car accident, while helping his insecure son Lu Ze break out of his isolation and transforming Su Xiao into a confident and courageous person. Eventually, the conspiracy is exposed, the villains face justice, and his soul successfully returns to his body. This unexpected adventure allows both generations to gain growth and family affection, heading towards their respective bright futures.