A group of international passengers on a flight from Los Angeles to Shanghai is forced to make an emergency landing in shark-infested waters. The terrified group is forced to work together and overcome their differences if they hope to escape their sinking plane and the frenzy of sharks drawn to the wreckage.

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.

The film consists of five story units: "Concert on the Clouds", "The Enemy and Enmity of the Square", "Welcome to Jina Village", "Calm Down", and "Sunset Red Scout". It tells the struggle of ordinary characters in the new era to pursue a better life. The story shows the country’s development and progress, people’s livelihood changes, and the people’s sense of gain, happiness, and security.