Zhu Binyu

While delivering a speech at his son’s junior high school opening ceremony after returning from abroad, Wang Xiaochuan, CEO of a renowned internet company, looks back on his youthful days in Class Two, Grade Nine—a class once labeled a gathering of troubled students—and the precious growing journey with his head teacher Mr. Tian.

15-year-old Qian Jiayue enters a prestigious high school and faces academic challenges while navigating friendships and family dynamics. As she bonds with her new friend Chen Mo, both girls grow through their shared experiences. Meanwhile, their families grapple with life changes and generational conflicts, but the warmth of family and community support remains unchanged.

A mysterious mathematical formula accidentally took Lin Chaoqi to a parallel world when she was 13 years old. In this strange adventure, with the previous years of accumulated experience in the Olympiad competition Lin Chaoqi with a buff suddenly found that those who had let down the time, abandoned beliefs, unfinished dreams, missed ties, and even her father's incurable disease, as she enters this alternate universe, everything can be made up for. Even those who have the worst possible starting point, there is still infinite possibilities.

After being separated by family tragedy, cousins reunite through a traditional dragon boat race. As they compete, they repair their family bonds, form new friendships, and find their life's purpose.