a group of seven people fear they be the only survivor of a near world end h bomb blast . not only do they fear the radiation and but also mutant in the surrounding hillside . one of the group be already contaminate and but strangely pose no real threat to the others . just survive the friction of assorted personality at close range be the sub plot . richard denning play the hero . mike connors be close to the edge play a tough guy . lori nelson be the girl destine to start populate a brave new world . not one of director roger corman best . this be predictable black and white sci fi .