When Buck Nation rides into Gunsight, he little knows what trouble awaits him. He has inherited the dilapidated Forty-Five ranch - but did its former owners really die in an accident? Questions mount, and Buck is bushwhacked. Is Selby Rackham, former cowhand at the Forty-Five and now the owner of the biggest spread around, somehow involved? With a woman, an old-timer and a scruffy dog as his allies, Buck is determined to smoke out the truth, whatever it takes ...