Jules Vincent, a happy-go-lucky, outgoing French Canadian trapper in the wild Northwest, befriends a beautiful Native American girl, and although he makes an enemy of bully Mike Brody, he agrees to travel with him. When Brody tries to kill them, Vincent kills him in self-defense. He is pursued by a by-the-book, idealistic Constable Pedley, who believes in the mounties' credo "we always get our man." The country is rugged and fraught with dangers like white water rapids, avalanches, wolf packs and desperadoes. After capturing Vincent, the inexperienced Mountie finds he is in no shape to get back to civilization without Vincent's help. Pedley is torn between fulfilling his duty and freeing the man who has saved his life.

Guide Allan Quatermain helps a young lady (Beth) find her lost husband somewhere in Africa. It's a spectacular adventure story with romance, because while they fight with wild animals and cannibals, they fall in love. Will they find the lost husband and finish the nice connection?

Dr. Steven Sorenson plans to tap the geothermal energy of the Earth's interior by means of a thermonuclear device detonated deep within the Earth. Despite dire warnings by fellow scientist Ted Rampian, Dr Sorenson proceeds with the experiment after secretly learning that he is terminally ill. This experiment causes a crack to form and grow within the earth's crust, which threatens to split the earth in two if it is not stopped in time.