Crooks break into a chemical company to steal a formula for food preservative and, as Ernie investigates, motives become apparent, implicating various suspects.
Ernie Boylan
Officer Louis
Raddish
Joe
Truck Driver
Runner
Signpainter
Harold Hankin
Mr. Meadows
Secretary
Ted Dowling
Policeman
Sammy
Shorty
Bob
Policeman
Mother Dowling
Eddie the Weasle
Carolyn Dowling