In a city built over swamplands, survivors whisper of the 'Scorpio Stranger,' a spectral assassin who emerges during storms to claim vengeance for sins long buried. Branded by society as a criminal, a young fugitive stumbles into the legend only to discover their own name etched on the ghost’s list. Forced to ally with an occult historian who has her own ties to the specter, they race against time and fate to uncover the dark deeds binding them all to the Scorpio Stranger’s wrath.