A Norwegian helicopter with two Norwegians aboard pursue an Alaskan Malamute to an American Antarctic research station. As the Americans run out, a Norwegian rifleman attempts to throw a thermite charge at the dog, but accidentally drops it- which destroys the helicopter and kills the pilot in the process. The rifleman keeps firing at the dog until he is killed by Lt. Garry, the station commander. Helicopter pilot R.J. MacReady and Dr. Copper fly to the Norwegian camp for answers, but find only a burned ruin, with the body of a man who committed suicide and a large block of ice with a hollowed cavity. Outside they discover the burned remains of a humanoid corpse with two faces. Back at the station, the biologist Blair performs an autopsy on the creature, but finds only a normal set of inte