The Wrecker wrecks trains on the L & R Railroad. One of his victims is Larry Baker's father. Baker wants to find the evildoer, among a host of suspects, but it will be difficult since the Wrecker can disguise himself to look like almost anyone
M'liss, a feisty young girl in a mining camp, falls for Charles Gray, the school teacher. Charles is implicated in a murder of which he is innocent, and the two must fight to save him from a lynching.