Wearing polka-dot kerchiefs around your neck will bring you bad luck. One business partner kills the other, framing this made-up superstition jinx for it.
Ray James thinks his neighbor Meeker has constructed a machine that turns metal into gold overnight. James murders the old inventor in his sleep – only to find out that the machine never worked.
Adventurer Bart Madden leaves a trail of bodies to get his hands on a sunken pirate treasure. Too bad the island natives don’t take friendly to his actions.
Scotch millionaire McNally gets murdered. His best friend Duncan frames the former’s cousin by making the ghost of the castle appear as a witness. It is all a trick to hide Duncan's own guilt.