Key high school teacher Zhou Mingyuan bought a school district apartment for his daughter's enrollment, but because neighbor Zhao Limei insisted on buying the house at a low price, he successively fell into neighborhood disputes and public opinion storms. Facing misunderstandings and pressure, Zhou Mingyuan always maintained restraint, using complete records to restore the facts. With the intervention of Zhao Limei's husband Sun Zhicheng, the conflict gradually escalated to work and family. In the end, Zhou Mingyuan clarified misunderstandings with real evidence, and also re-understood the meaning of family, rules, and choices.