Zhang Chen, a high school sophomore, used to act impulsively and cause plenty of trouble. After an unexpected incident, he comes to his senses and takes the initiative to correct his flaws. Faced with misunderstandings on campus, other people's prejudices, and a series of disruptive procedural glitches, he stands by his principles, takes responsibility when problems arise, and stops acting rashly. He devotes himself to his studies, steadily improves his grades, and treats every classmate with respect, while encouraging Bai Xiruo, Nan Xingwan, and others to express themselves boldly. Through everyday school life, including classroom learning, academic competitions, and campus activities, the series portrays a group of teenagers learning to accept one another and growing together.