You on the other side of time

On March 9th, at Jiuyan Bridge in Jinchuan City, Si Yang and his sister Si Chuying witnessed a child trafficker snatching a child and immediately intervened. In the ensuing chaos, the trafficker threw the child into the river. There was no splash, no struggle, and the river was completely still. By the time the police arrived, the trafficker had already fled, and the child's mother collapsed in despair, remaining unconscious in the hospital. The bridge's surveillance cameras were all disconnected for maintenance, there were no eyewitnesses, and the child's whereabouts remained unknown. Rumors spread, and their act of bravery was distorted into accusations of intentional assault. The family was now embroiled in a public relations crisis…