John Ray Horn was once Sierra Lane, hero of a series of cheap westerns. Now he makes ends meet by collecting debts for his old Indian co-star, Joseph Mad Crow. A chance encounter brings Horn into contact with an old flame, movie actress Rose Galen. Now, Rose is a sad, shattered, drink-sodden creature. Hoping to uncover her long-held secret, Horn goes to her shabby rooming house. He finds her strangled. With the aid of Mad Crow he sets out to find her killer, and her secret.