A bar fight between an American rancher's son and a Canadian farm boy result in the shooting death of the American. Jack and Clive attempt to take the prisoner to Ft McCloud, but the dead boy's father wants revenge.

Bennett finds evidence that the workers may be responsible for the Mountie wagon arriving driverless and a missing payroll.

Marie's supplies get stolen by the cunning Indian agent Erskine, who then sells them for his own gain.

Two friends from Jack's ranger days come to Bordertown on their way to sell their merchandise in Canada. Marie disappears when her patient is murdered, and the evidence points to Jack's friends.

A horse thief survives a hanging and the lawmen agree that he should go free, an extremely lucky break for the man.

When Billy Wong ends up taking the fall for a hold-up, it's up to Craddock and Bennett to save him from certain doom.