As Time Goes By: Nemesis is the fifth book in Pat McDonald's crime series in which justice and revenge weave a complex web of good and evil, and where once again, the Bartholomew and Hobbs Detective Agency finds itself in the middle of untangling.
Teenager Marlene Vaughan's mother Gertrude was murdered in 1953. They lived in Baldwin Park, in the central San Gabriel Valley of Los Angeles County. Gertrude was abducted from a bar in El Monte and found dead in Azusa. The case was never solved.