Otto arrives in Appledore to meet the shipyard owner who is unsure where his next order is coming from... A young American architect designs the yacht and falls in love with an American film star... Otto's obsession with the yacht blinds him to his wife's private liaisons ...

The workers in the shipyard theaten to strike when hostilities break out and off they go to join in the war effort... Otto and his wife suddenly disappear - foul play is suspected... Shylock Holmes arrives on the scene with Dr. Waterson ...  Moriarty also appears ... Otto reappears as Commandant on a German U-boat off the North Devon coast... Winston Churchill himself arrives at RAF Chivenor concerned about a German Spy ring operating in the area and orchestrates a plan to flush them out.... Have the Germans infiltrated?? Who is the mysterious Sienna Simone? Will Winton's plan succeed........?

Claudia Oke as Sienna Simone

Crew

Christine Waters