Richard Tully, a nurse and neighbor of the victim, has been arrested and charged with the murder of Dana Woods 23 years ago after new evidence was discovered by detectives re-examining the case files. Tully was also connected to another murder that occurred in Livermore during the same year of Woods' murder.
Detectives investigate John's account of his night out after Dana's disappearance and find conflicting information.
Police found a gun in the car of Dennis's dad after Dennis stashed it there. Dennis suspected that Dana helped Tracy steal his car and made threatening insults towards Dana.
Detectives investigating a cold case involving the murder of Dana Welch find new evidence linking Richard Tully, Welch's neighbor, to the crime scene; however, investigators also become suspicious of a man who had never been considered a person of interest in the case.