Dance-hall girl Dolly Wall invests her life savings in an oil well. A gusher comes in, enriching not only Dolly but her ne'er-do-well socialite sweetheart Royce Wingate.
Douglas MacLean stars as The Young Thief, who falls in love with The Girl, played by Sue Carol. Alas, the Girl has been sold into the harem of The Wazir (Albert Prisco), forcing the Thief to sneak into the palace to rescue her.
When his master is attacked and left speechless, Ranger is held responsible. On the lam from the Law, the canine hero links up with telegrapher Bill Brady and Bill's girlfriend Helen Meadows.