The film tells the story of Lei Chunyang, who came from a big city to teach in a rural area in the 1990s to give the class a new look. He did not hesitate to offend the principal for the benefit of his children. After being squeezed out by his sponsors and principal, he was once forced to leave the school and work in education. Under the investigation of the bureau, the black-hearted principal was expelled, and Lei Chunyang returned to school and reunited with the children.

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