Secret agents fight aboard a train over a valuable vial containing deadly germs.; Hugo von Mohl runs his African plantation with an iron fist. When he faces an invasion of killer ants, von Mohl fights them with dynamite, guns and fire. But he overlooks a hole the pesty bugs slip through.; Ruthless killer Gus hides at his sister's house. He kills the inhabitants to last longer on the remaining food, but eats poisoned mushrooms and dies.; Calvin Brock kills a man aboard a ship for a bag of diamonds and escapes by jumping into the water. Or does he?; Tim Fenwick is a robber and murderer on the run. Loaded with two heavy bags of money, he jumps into the river and is dragged underwater trying to escape the police.; Gangster has his fortune told and is killed in the process.