Navy veteran Ernest Krause (Tom Hanks) is assigned a mission as first-time captain of a destroyer, code-named Greyhound, to protect a convoy of 37 supply ships across the North Atlantic during the United States' early involvement in WWII. With only three escort ships and no air cover, the leader and his crew must navigate through a dangerous stretch of ocean known as "The Black Pit", where they encounter a group of Nazi U-boats. Survival depends on the outcome of the battle against the determined German submarines. Tense action and the formidable Tom Hanks steer this compact thriller. Inspired by events that took place during the Battle of the Atlantic, Mr. Hanks'