In a futuristic world where the polar ice caps have melted and made Earth a liquid planet, a beautiful barmaid rescues a mutant seafarer from a floating island prison. They escape, along with her young charge, Enola, and sail off aboard his ship. But the trio soon becomes the target of a menacing pirate who covets the map to 'Dryland'—which is tattooed on Enola's back.
All the rules are broken as a sect of lawless marauders decides that the annual Purge does not stop at daybreak and instead should never end as they chase a group of immigrants who they want to punish because of their harsh historical past.
A busload of travelers and their disgraced priest tour guide, on the hunt for Aztec ruins, decide to stop in a Mexican village on the eve of the Day of the Dead. Unbeknownst to them, a local doctor plans to begin a diabolical ritual intended to bring about Hell on Earth.
