After inquiring about an old friend during a high school reunion the classmates find he never returned home from Vietnam. Fifteen men train to enter the jungles and rescue him forty years later
In this fourth and final installment the intrepid crew is taken to the limits of their endurance as they brave a subterranean world filled with dangers and bizarre wonders. When Thurid’s warriors are defeated the crew frees the Grettig family from ca
