There's blood in the water... And the trailsman is gonna go swimmin'! Fargo is working as a scout along the Red River when he comes across a trio of butchered bodies. The victims were delivering supplies to the reservations. And while most think Indian renegades are to blame, Fargo has a hunch that someone on the river has been playing pirate. And when he finds them, the Trailsman is going to blow them out of the water...