City workers in Redlands, CA respond to a routine call of a clogged sewer. They reach the source of the block and breakdown the debris. The workers are stunned when they pull up what looks to be a partial human skull and jawbone. As news of the disturbing discovery spreads through the community, one local family fears the worst. Seven weeks earlier, 14-year-old Tristan Jensen disappeared after leaving his home for skateboard ride. Tristan's family placed a missing person's report with the Redlands police, but the boy never turned up. Now, detectives have a hunch that the remains found in the sewer could be Tristan Jensen's. A forensic anthropologist and coroner's officials conduct tests on the bones. They determine the bones are from one individual and extract a DNA sample. Tristan's family offers one of the boy's baby teeth for DNA verification. The results confirm their worst nightmare - Tristan was the victim of a murder. Without a suspect and very few leads, investigators embark ...