John Cannon drives gold seekers from an abandoned mine on his land and they retaliate by plotting to kill the Cannons.

Lije Driskill, Johnny Faro and Shorty Bleeson fail in an attempt to kill Buck, Sam and Victoria, who are driving back to the ranch with dynamite to use at the mine. Driskill and his companions then raid the ranch and drive off the cattle. Buck, mistaking a friendly kiss from Victoria, leaves to dynamite the mine, and plans to make it his final job for John. Billy Blue rides to help Buck. but is captured by Driskill, who plans to kill the young m