It was an auspicious vision that told Elena Flores to move with her two sons to Surette, Louisiana, a small town that promised them a better life, but dreams aren't always to be trusted. Surette is bound by its dark history, cursed to stand idle while it loses its children, and when Elena's youngest joins the missing, her older son, Tomas, vows to seek answers. Generations of tragedy, secrecy and cover-ups, tales of dark creatures haunting the bayou, sin and confessions and penance converge across three timelines as the ghosts of the town's black past seek their vengeance.