Detective Ellery Queen has to solve a series of murders where the victims were killed in numerically descending ages, the male victims were strangled with blue cords and the female victims with pink ones.
Peter Lawford
Ellery Queen
Harry Morgan
Insp. Richard Queen
E.G. Marshall
Dr. Cazalis
Skye Aubrey
Christy
Stefanie Powers
Celeste
Coleen Gray
Mrs. Cazalis
Morgan Sterne
Police Commissioner
Bill Zuckert
Sgt. Velie
Bob Hastings
Hal Hunter
Than Wyenn
Registrar
Buddy Lester
Policeman
William Lucking
Lt. Summers
Stainless Steel and the Star Spies
Honky Tonk
Carrie
The New Daughters of Joshua Cabe
Letters from Three Lovers
The Daughters of Joshua Cabe Return
Hailey Dean Mysteries: Dating Is Murder
Aurora Teagarden Mysteries: Heist and Seek
Miss Marple: The Murder at the Vicarage
Crossword Mysteries: Proposing Murder
Aurora Teagarden Mysteries: Reunited and It Feels So Deadly
Aurora Teagarden Mysteries: An Inheritance to Die For
Poochinski
The Marshall of Trail City
A Tree Grows in Brooklyn
Mirrorball
Crossword Mysteries: Abracadaver
Garage Sale Mystery: A Case Of Murder
Dead Man's Folly
A Bone to Pick: An Aurora Teagarden Mystery