Lei Ming, a former lecturer, and Sang Xia, a psychology teacher, runs a special class to help under-performing students. They guide students like Li Ran, who plans to drop out due to his grandmother’s illness, to overcome challenges and aim for university. Their combined efforts help students realize their potential and prepare for the next phase of their lives.

In an aerospace city in the north, seven children who were born an only child became closer than siblings and called themselves "The Big Dipper." They all promised to conquer the college entrance examinations so they can go to Beijing together but seventeen came and went and only Huang Yingzi made it. "The Big Dipper" was no more as everyone parted ways. Huang Yingzi went to Beijing for school and Jiang Yi left for the States. "Who do you like at the age of seventeen" has become a mystery lingering in the hearts of the seven people. As newcomers in the workplace, they were bruised and battered from the skirmishes between their ideals and reality. Their once pure emotions are like shining stars in the night sky. Huang Yingzi wants to reunite the group only to realize that there a question remains. Meanwhile, Jiang Yi and the others have already been presented their answer.

The show focuses on high schools that hold yo-yo contests. The schools organize teams and participate in competitions to win against other schools. Each team has their own issues that they solve, and each yo-yo has a name that reflects the toy's design. The show makes use of minor special effects in order to portray the "magic" and the speed of the yo-yo. These magic spells are 'battling' and the person whose magic remains wins. Some of the yo-yo tricks are common, like the Forward Pass, Loop-the-Loop, Three-Leaf-Clover, Trapeze, Double or Nothing, Gravity Pull, etc. The show also has some tricks of its own created by the producers (most of the tricks are for professionals) like the White Buddha, Buddha's Revenge and the Cold Fusion (hardest trick of Season One).

In 2008, Xiao Feng is a downcast e-sports team leader who is barely keeping his team together. E-sports is in its infancy and there is little money to be earned. Xiao Feng's team is looked down upon and ridiculed, yet they insist on fighting for their dreams. In 2019, Lu Xiao Bei is a genius in the same game, a masterful player. In reality, he is a disabled young man in a wheelchair. He vowed to continue his brother's legacy to become a professional e-sports player who died in an accident before he can turn pro. Despite living 11 years apart, a cosmic glitch allowed the two to communicate first by voice chat then meeting up in-game. This formed the basis of their friendship which transcend time and ultimately saved Xiao Feng's life in 2008. This allowed the two to meet face to face in the present. They then join forces and form their own team to achieve their ultimate goal of winning the championship.