A high school female teacher fully paid for a street-facing shop, only to be subjected to endless midnight doorbell harassment and malicious rumors by her neighbor. Relying on his legal profession to exploit loopholes, the neighbor tried to force her to transfer the shop at a low price. Her husband briefly tried to escape, and her daughter was terrified by the doorbell every night. Refusing to compromise, she bit by bit gathered all the evidence, fought back against the malicious neighbor using the rules, and safeguarded her family's and daughter's sense of security.