In this chapter, the gang gathers all the information they can about the events of the previous day. They analyze the images of the water, the wind, and the reflection. They conclude that the reflection in the water is caused by outside influences, and that the girl is walking north towards the river embankment. The gang concludes that the disappearance of the girl must have some connection to the murder of Xiaoping. They decide to go to the police station to find the stalker who reported the girl to the station. The police have released the report on the girl's house, but there is no evidence that the chemicals were hidden there. They wonder why the girl would go to a thrift shop or an electronics store.