Lilly gets an anonymous phone call from a man claiming he killed an elderly woman back in 1989 and buried her body in the basement of a house. When Lilly checks the dwelling, a body is recovered, but the alleged murderer refuses to identify himself.

A college professor, who lost his job and family after being suspected of murdering one of his students in 1995, comes forward with new information on the crime that he hopes will clear his name and allow him to regain his teaching position. He believes the student's death is connected to the recent murder of a prostitute who was killed in a similar manner.