In the bustling city, there is a strange rumor circulating: Some people who are homeless and have no fixed abode will sneak into other people's homes, hide and live an isolated life.Although such rumors sound like absurd urban legends, for Zhang Jiawei, this may be a cruel reality.

Zhang Jiawei, a middle-aged man who runs a coffee shop, appears to have a prosperous life and a harmonious family. He lives in a high-end community with his wife and daughter.However, deep down he suffered from severe mysophobia and obsessive-compulsive disorder.One day, a phone call asking about his brother's disappearance broke his peaceful life.

Zhang Jiawei's nerves immediately became tense, and he quickly rushed to the old apartment where his brother once lived, hoping to find traces of his brother.There, he met Su Hong's mother and daughter who also lived on the same floor.Su Hong showed unusual panic and disgust towards Zhang Jiawei's brother, which made the entire disappearance case even more confusing.

At the same time, Zhang Jiawei's wife and daughter suddenly became the target of a “mysterious man”.This “Mysterious Man” seems to have some special interest in Zhang Jiawei's family, constantly causing all kinds of trouble and panic.Zhang Jiawei has to protect his family while searching for his missing brother. His life has become extremely difficult.

In the process, Zhang Jiawei gradually revealed a secret that had been hidden in his heart for many years.It turned out that his brother was not really missing, but was hidden by Zhang Jiawei himself.Many years ago, due to an accident, his brother's mental state developed. In order to protect his brother and maintain family harmony, Zhang Jiawei decided to hide his brother in his old apartment to keep him away from the turmoil of society.

However, as time went by, this secret became more and more heavy, and Zhang Jiawei's psychological pressure also increased.He began to doubt whether his original decision was correct and whether he should let his brother continue to live in isolation.At the same time, he also began to worry that this secret would be discovered by others, bringing greater danger to his family.

After experiencing a series of twists and turns, Zhang Jiawei finally decided to face his past and inner fears.He found Su Hong's mother and daughter and confessed everything about his brother to them.After hearing this, Su Hong expressed her willingness to help Zhang Jiawei take care of his brother and let him reintegrate into society.

The relationship between Zhang Jiawei and his family has also become closer because of this incident.They got through this difficult time together and regained family harmony and happiness.And Zhang Jiawei also learned to face his past and inner secrets, and bravely moved towards the future.