Seven years. He still lives in the same place - the 21st floor of Wangjiang Apartment. The window of the master bedroom can just see the Criminal Investigation Corps building on the other side of the river. When choosing this house, Lin Wanqiu stood on the balcony, pointed to the other side of the river and said that it was close to your work and would be convenient for coming back after working overtime. Their daughter, who had just turned three, was playing with blocks on the living room floor. At that time, Song Beichuan thought he knew everything - he knew how to solve crimes, he knew how to arrest people, he knew what justice should look like. Later, Lin Wanqiu was gone and her daughter was sent back to her grandparents' house. He guards this house by himself, like a gravekeeper.
