In the lawless town of Deadwood, a gunslinger with a haunted past, Ethan Blackwood, takes on the role of sheriff to bring justice to the town. When he meets Lily Morgan, a fiery saloon owner with a troubled past of her own, their lives become intertwined in a web of danger and desire. As they face off against outlaws and corrupt officials, Ethan must confront his own demons and make a promise that could cost him everything.