Devil's Playground

A German submarine hunts allied ships during the Second World War, but it soon becomes the hunted. The crew tries to survive below the surface, while stretching both the boat and themselves to their limits.

One dark night during the early phases of WWII, the Italian Royal Navy submarine Cappellini sinks an armed merchant ship sailing with lights out. At that moment, its commander Salvatore Todaro makes a decision that was destined to go down in history: to save the 26 shipwrecked Belgians who otherwise would have drowned in the middle of the Atlantic Ocean and disembark them at the nearest safe harbor. To make room for them on board his submarine, he is forced to navigate on the surface of the water for three days, visible to the enemy forces and endangering his life and that of his men.

During World War II, Captain Cassidy and his crew of submariners are ordered into Tokyo Bay on a secret mission. They are to gather information in advance of the planned bombing of Tokyo. Along the way, the crew learn about each other as they face the enemy and some of them lose their lives.

A privately-financed scientist and his colleagues hire an ex-Navy officer to conduct an Alaskan submarine expedition in order to prevent a Red Chinese anti-American plot that may lead to World War III. Mixes deviously plotted schoolboy fiction with submarine spectacle and cold war heroics.

The story of the WWII project to crack the code behind the Enigma machine, used by the Germans to encrypt messages sent to their submarines.

During WWII, Duke E. Gifford is second in command of the USS Thunderfish, a submarine which is firing off torpedoes that either explode too early or never explode at all. It's a dilemma that he'll eventually take up personally. Even more personal is his quest to win back his ex-wife, a nurse; but he'll have to win her back from a navy flier who also happens to be his commander's little brother.

She is a tactical submarine officer. He is a steward. Before diving for 90 days she chooses to make it her "four-hour". But here he is clinging. Who follows her. Who sticks it. Where do we go if the flight crew of a 747 prides itself on romance? As if we had time to be in love on board a military ship. Still, the Pacific Ocean is not big enough. Neither does the Arctic Ocean. The world is so small when you love each other so much.

Newly married couple Juliette and ship captain Jean struggle through marriage as they travel on the L'Atalante along with the captain's first mate and a cabin boy.