Grant, police reporter on the New York Chronicle, is out on Long Island hunting quail, when his curiosity is aroused by the furtiveness of three armed men led by a woman on horseback who are conveying a covered load of something by motor truck along a deserted road he happens to cross. His curiosity leads him to investigate. The trail leads to an abandoned house. Grant sees barrel after barrel of gasoline stored in the cellar of this mysterious looking house. After the truck leaves he investigates and has a pitched battle with a wireless operator he surprises at work on the top floor. The operator presses a button thereby precipitating Grant into the basement. Breaking his bonds he again surprises the secret operator and in a struggle on the roof top Grant throws his adversary over and sits down at the wireless mechanism to unravel the mystery. He manages to pick up a message that astonishes him. He is in communication with a submarine lying on the bottom of the nearby harbor that ... Written by
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Episode 12 of 29 of the series "Grant, Police Reporter." See more
Follows The Trunk Mystery