In the year 3019 expadition 420 is launched into space for exploration to Pluto and goes missing. A second expadition, exapition 421, is sent out to look for the lost spaceship. Having already found amicable life on other planets these atronauts expect the same from life on Pluto, if there is any. However, everything on Pluto is not as it seems. When Captain Jon Plank goes missing the team sets out on foot to find him. First mate Mary Stimson stumbles onto civilization, and the ninth circle of Hell. Lost in the land of eternal torment the team must find and rescue Jon Plank as well as many of the members from expedition 420 while dodging all their worst nightmares along the way. The most horrific part is yet to come. Mary must also escape the Reapers, soldiers in the Devils army that will stop at nothing to get what they want, her soul.