Bullet Proof.

Pierre Winton promises to avenge his father's killing at the hands of McGuirk, the bandit. While hunting for McGuirk, Pierre comes upon Mary Brown who has been badly injured in a rock slide. They fall in love, but while attempting to rescue Mary, Pierre is trapped and rendered unconscious in another rock slide. Saved by Jim Boone's band of outlaws, Pierre joins the gang, and Boone's daughter Jackie falls in love with him, but, Pierre still loves Mary, from whom he has been separated.