Intern teacher Lu Qian awakens an extraordinarily powerful teaching system that allows him to see his students' talents and improve teaching efficiency with exclusive cards. In just one month, he transforms the previously disorganized, bottom-ranked Class 7 of the second year of high school into the school's top class, only to be forced out by a joint petition from the parents. Heartbroken, Lu Qian disconnects from the system and takes over the hopelessly bottom-ranked Class 25. By tailoring his teaching to each student's abilities, providing heartfelt encouragement, and using fun methods to earn their trust, he discovers their talents and offers free tutoring that transforms the entire class. Meanwhile, discipline in the former top class collapses. With the midterm exams approaching, he leads his underachieving students in a solemn vow to fight their way back to the top.