Scientists of the future have overcome all forms of sickness and disease, and people live nearly twice as long. Despite this, a elite team of scientists have been seeking a way to defeat the last barrier left in mankind's quest for immortality. death.

At a small military base hidden in Utah, the team of scientists have finally found a way to open a physical link with the dead. The new technology allows instant jumps through a huge portal to the Underworld. They call it a dimensional-shifter, but it is more commonly talked about on the base as the Hell Gate.

You play a pilot at the Utah base, selected to fly through the Hell Gate and rescue humans from their eternal nightmare, returning them through the gate.