The film was adapted by James A. Starr from a story by Lillie Hayward, and was the last Rin Tin Tin film produced by Warner Bros.[2] The film begins with a parked car with drawn curtains inside of which three gangsters (played by Walter Miller, Richard Alexander and Skeets Noyes) and silently waiting for their prey.

Thomas (Breese), who can no longer walk and is confined to a wheelchair, and his young daughter Mary (Ralston).

Mary is in love with Cal Morton (Chandler), who is a policeman that rides a motorcycle.

Masquerading as government agents, the gangsters break into the hut and prevent Capt.

The gangsters also capture two mail agents (William Irving and George Rigon).