George Cathcart, a young naval officer, arrives home on leave of absence after months of mine planting service. Major Maynard, a foreign spy, occupies the adjoining estate. With the assistance of Jessica, an adventuress, Maynard plans to obtain the maps in Cathcart's possession.
Harry F. Millarde
George Cathcart U.S.N.
Alice Hollister
Jessica Spear - an Adventuress
Henry Hallam
Major Maynard - a Foreign Spy
Helen Lindroth
Mrs. Cathcart - George's Mother
