Private investigator mysteryTom Mayor is a 56-year-old unemployed alcoholic who still lives with his mother. It is Christmas time and Tom Mayor has just played a joke on his eighty-six-year-old mother, Lill. Tom, who still lives at home and hasn't worked in years, announces he is going into the private detective business.To prove his newfound skill, Tom discloses the killer in advance of the end of a Thin Man movie, impressing his elderly mother. Tom thought all of this was funny, especially since his mother cannot remember the end of the movie, she has seen countless times.Yet, the whole scheme backfires on Tom. The next morning, his mother finds Tom his first client, Claire Peterson, a dying elderly woman next door. Claire wants to know the truth about her great-granddaughter's murder and Tom is just the man for the case. Failure, frustration, and near-death do not deter Tom as he solves the case, in Thin Man style.