Years ago, Tomorrow - a noxious cloud of funky gas - descended on Manhattan, cutting the island off from the rest of the world and mutating the remaining population.

Now, survivors exist amid the rubble of modernity, wearing cast-off clothing from generations past, worshipping celebrities from the past as ambivalent gods and communicating through roughly drawn emojis. Manhattan exists in a state of delicate balance between neighbourhoods, with each group protecting themselves with Molotov cocktails and scrap metal spears.

But when the first tourist in centuries arrives on the island under mysterious circumstances, the uneasy web tangled between factions is about to unravel…