Below the city's harbor a cable is seen to be attached. The cable is connected to an underwater laboratory. At the Daily Planet the laboratory's inventor tells the staff that Manhattan must be returned (to his people) but is dismissed as a crank. Lois follows him in his boat to his laboratory, and is discovered and held captive. The inventor turns on the electric power and activates a viewing periscope. Then he uses the electricity in his underwater cables to cause an earthquake under the city! The electric earthquake damages a bridge, streets, and the Daily Planet building. Clark changes to Superman and flies off. He finds the cables underwater and snaps them. Then he begins unplugging them from the laboratory. This causes an explosive overload that begins flooding the laboratory. While Superman goes to rescue Lois, the inventor sends a timed explosive down towards them. But Superman is able to rescue Lois and then captures the terrorist as he tries to escape in a speedboat. Another newspaper scoop for Lois.
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