The tenant downstairs The landlord changed his life because of the tenant downstairs. The protagonist of the story was a landlord named Zhang Hao. He lived in an old-fashioned apartment. Zhang Hao had been living a peaceful life until he met the tenant downstairs. The tenant was a young girl named Amy. Amy was a very independent and confident person. She had a beautiful appearance and a smart mind. She often helped clean the apartment, cook, and so on. Zhang Hao had always had a good impression of her. He thought she was a very talented person. However, as time passed, Zhang Hao began to realize that Amy wasn't as simple as he had imagined. She began to show some strange behavior, such as often returning to the apartment after midnight and leaving some strange things in the room. Zhang Hao began to suspect her true motives, but he tried to stay calm. In the end, Zhang Hao decided to take action. He secretly investigated Amy and found out that she was actually a member of an underground organization. This organization specialized in taking advantage of the weaknesses of young women to carry out all kinds of illegal activities. Zhang Hao was shocked. He realized that his prejudice against Amy was wrong. He tried to break up with Amy, but Amy began to hate him. After a series of accidents, Zhang Hao was forced to fight Amy to the death. In this duel, Zhang Hao finally exposed Amy's dark organization and successfully defeated her. He realized that human nature was full of darkness and distortion. Everyone could hide unspeakable secrets. He decided to no longer tolerate the existence of this darkness and used all his strength to protect those who needed help.