Sun Xiaofan, a young man who dropped out of vocational school, accidentally collides with the drunken principal, Wang Tianci, at a karaoke bar. Their souls swap, and Wang Tianci dies on the spot, while Sun Xiaofan's consciousness ends up in the principal's body.
Overnight, a boy from the bottom of society becomes the principal of Fengcheng Technical School. Faced with campus bullying, pressure from well-connected families, and all kinds of complicated problems, he stops being timid and backing down. With his new identity, he takes a hard line in running the school, reforms its culture, and wins the genuine affection and trust of his girlfriend, Mu Sha.
He overcomes challenge after challenge, steadies the situation, and wins people's hearts. In the end, he not only transforms an ordinary vocational school into a higher vocational college, but also finds success in both his career and love life, living under another identity the happy, complete life he never dared to imagine.
