A racehorse is doped and the main suspect is a man with a scar, Dodger Mullins. When someone takes a shot at Mullins, the Homicide team have a case of attempted murder on their hands.
George Mallaby
Det. Peter Barnes
Leonard Teale
Det. Sgt. David Mackay
John Fegan
Insp. Jack Connolly
Lionel Long
Det. Bert Costello