A World War II drama-documentary showing the struggles of Merchant Navy seamen following an attack by a U-Boat. Western Approaches is a vast area of ocean control covering thousands of square miles of the Atlantic. In these waters is set this single incident in the fiercest and longest sea battle in history. The players are not professional actors but serving officers and men of Allied Navies and Merchant Fleets. This film is dedicated to them and their comrades who made the Allied victory possible.

A boy tells his parents that a bus conductor turned him off the bus home for not having a ticket. The story gets out of control and the conductor, a war veteran with memory problems, is harassed until events take a tragic turn.

Returning from a business trip, toy salesman Simon Scott is caught attempting to smuggle a wristwatch bought for his wife's birthday through Customs. He is arrested and, due to a bungled defence by his solicitor, obliged to serve a three-month prison sentence. It is only the beginning of his woes; his employer, Colonel Wilson, is understanding, but he is ultimately forced to sack Simon, who discovers that finding another job under such circumstances is extremely difficult. But Colonel Wilson is determined to help his former employee find a solution.

Angered that her sister Celia has stolen her fiance, Dell Faring kills her and allows Celia's husband David, knocked out in an argument with Celia, to take the blame and end up on death row. Later Dell, finding out that David's young daughter Susan was witness to the crime and is undergoing psychiatric treatment, plans to eliminate her before her memory returns.

A British Army Officer returning to civilian life after WWII, starts a catering company with some of his ex-army pals.