When a drum with a dummy inside is tossed over Niagara Falls, the authorities are alerted that something is up. When King investigates, he finds that the drum came from a ship laid up, waiting for some engine repairs. The third mate, Heinz, is preparing to going over the falls and is preparing the drum so that he will be safe. Nobody is able to talk him out of it except, not even his girlfriend. Then a bookie gets involved with some big bets involved, which raises the stakes.
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