Zhou Can moved to school in a small town from a big city, a place he didn't like, and kept thinking about going back to where he had lived. His grades are very excellent, so he doesn't have to worry about study in the new school. In terms of personality, he is always quiet, doesn't like to communicate with people, and his ability to make friends is lacking. Yu Jiao Yang is a wild and cheerful girl who has very poor grades in this small town. They are two people who are very different in every way but as the two meet and form a very close friendship, they stay together through every obstacle they go through.

Xin Tan has the ability to create happiness for others through sound, but after using it three times on the same person, his life will be bound to that person. Only when the other party is happy can Xin Tang can survive. Incidentally, Xin Tang rescued the school internet celebrity Ji Ze, who was about to commit suicide, and the two bound together.

For the thirtysomething Sheng Ruxi, whose surname unmistakably echoes the slang term "sheng nu" (leftover women), the wait for a perfect partner is growing more despairing by the day. With an ultra-anxious mother who would rather die than see her daughter stay single, Ruxi is further annoyed by the doctor she’s fixed up with. Could her new colleague, the dashing 25-year-old Ma Sai, offer last-minute salvation?

Qi Ming is a handsome boy and he is also a top student at school, but Yi Yao is a so-called bitch on everyone’s lips. Qi and Yi grew up together and they have been maintaining a good relationship. However, everything is interrupted and changed by Tang Xiaomi. Rumors have become a sharp weapon to destroy people. Yi Yao's life falls into darkness, and she suffers all kinds of cruel bullying at school.