The Fierro family is shocked by the death of their father in a strange accident, leading one of his sons to investigate. He finds out it was murder. Done by revenge from their father's once partner, now drug lord, Don Lucio.
Lucas Frost, an honest man brought up in a crime family whose only legacy is violence, tries to make his own life with his fiancée, Emma. He is suddenly pulled back into the family business he so despises when his cousin, Eli, perpetrates an armed robbery on a local scrap yard and an innocent life is caught in the crossfire.
A former Union Army officer plans to sell out to Anchor Ranch and move east with his fiancée, but the low price offered by Anchor's crippled owner and the outfit's bullying tactics make him reconsider. When one of his hands is murdered he decides to stay and fight, utilizing his war experience. Not all is well at Anchor with the owner's wife carrying on with his brother who also has a Mexican woman in town.
Will Lockhart arrives in Coronado, an isolated town in New Mexico, in search of someone who sells rifles to the Apache tribe, finding himself unwillingly drawn into the convoluted life of a local ranching family whose members seem to have a lot to hide.
Looking to mine for gold, greedy industrialist Bartholomew Bogue seizes control of the Old West town of Rose Creek. With their lives in jeopardy, Emma Cullen and other desperate residents turn to bounty hunter Sam Chisolm for help. Chisolm recruits an eclectic group of gunslingers to take on Bogue and his ruthless henchmen. With a deadly showdown on the horizon, the seven mercenaries soon find themselves fighting for more than just money once the bullets start to fly.