After spending time in jail, Matt Calder arranges for his son Mark to join him at a riverside lodge. While assisting a couple struggling with their raft, he encounters Harry Weston, a gambler, and his girlfriend Kay—people both men already know. Weston is eager to register a recently won mining claim and steals Matt’s rifle and horse after a brief altercation. Allowing Kay to remain with the Calders, Weston departs, …