At the height of World War II, the Germans begin dropping a new type of booby-trapped bomb on England. Sammy Rice, a highly-skilled but haunted bomb-disposal officer, must overcome his personal demons to defeat this new threat.
Penniless governess Blanche Fullerton takes a job at the estate of her rich relations, the Fury family. To better her position in life, Blanche marries her dull cousin, Laurence Fury, with whom she has a daughter. But before long, boredom sets in, and Blanche begins a tempestuous romance with stableman Philip Thorn. Together, they hatch a murderous plan to gain control of the estate.
Crooks discover a Genghis Khan treasure ship on the Canada-Alaska border but the treasure is hidden somewhere on land. In their efforts to find the hidden treasure they resort to murder and sabotage to stop the construction of the Alcan highway which will bring homesteaders to the area. Sergeant Royal of the Royal Canadian Mounted Police battles through 12 episodes to find the crooks and to learn the identity of their mysterious leader known only as 'The Boss'.
