A fur trapper catches another trapper trying to steal his furs. He stops the thief, but later on the furs are stolen anyway. Rin Tin Tin Jr. tracks down the thief to try to get the furs back.
Rin-Tin-Tin Jr.
as Rinnie
Grant Withers
as Brule Conway
Grace Ford
as Beth McVey
Monte Blue
as Pepite La Joie
Lafe McKee
as Dad McVey
Jimmy Aubrey
as Donovan
Artie Ortego
as Black Wolf
Nanette the Dog
as Nanette
Jack Evans
as Trapper (uncredited)
Tom London
as Trapper (uncredited)
George Rosener
as Trapper (uncredited)
Dorothy Vernon
as Trading Post Woman (uncredited)
