 WWII German superspy, the Needle, who gravitates towards murder using his trusty switchblade, discovers vital evidence about the Allies D-Day invasion. He makes for the Scotish coast to escape on a U-Boat when his small boat is shipwrecked before being picked up and the Needle is washed ashore. He is saved by a man destined to never enter the war and his wife and child. The Needle quickly falls in love with the woman and both must decide between their love or country.