The year is 2035, and humanity subsists in a desolate netherworld after the eradication

of 99 percent of the Earth's population, a holocaust which left the planet's surface uninhabitable,

and the destiny of humanity uncertain. A desperate group of scientists secure a reluctant volunteer, Cole, for a dangerous assignment: he will time travel to the year 1996, where they hope he can help unravel the mystery of the apocalypse and save the future.