On a mission to bomb the rail yards at Eissen, Muller the new Navigator performs perfectly but is knocked down during a maneuver. His wallet falls out of his pocket and it contains a picture of a man in a Nazi Uniform. A few minutes later Pike has to break up a fight between Muller & Magill. While Muller is an excellent Navigator his is unpopular because he is German. The fight broke out over the picture Muller keeps of his father in a Nazi uniform. When questioned by General Savage, Muller explains that is his only picture of his father who was an American Bund Nazi. Muller is the lead Navigator on the next mission. Out for walk in the country, Muller meets a deaf girl, Nora and falls in love. Out with Nora, Muller is late for briefing and does not swing his compass before take off. As a result they are off course and miss the target. Muller realizes his error and corrects but the plane is hit and Bombardier Magill is badly wounded. Muller thinking he is dead does not help him. On the

While working on a plan to bomb Strassbourg, Savage gets trapped in a cellar during an Air Raid. Trapped with him are Lady Constance, Dr Glenway, Miner Bert Higgs and a pregnant woman Eleanor Nicholls. We learn more about the each of the people as they try to free themselves. Dr. Glenway turns out to be Archie Lewis, a lower class con man who redeems himself. After they are freed, Lady Constance decides to open Penrose Hall up as a home for young women like Eleanor.

Axis Sally is broadcasting some very accurate information about the 918th. Including that Savage is going to be killed. When a bomb blast injures 2 men it turns out to be sabotage. Getting treatment for a minor injury, Savage is almost killed by an overdose of 20,000 cc's of morphine administered by a new Nurse, Lt Dietrich. Colonel Reed from G-2 arrives to investigate. Savage leads the next mission and no German planes shoot at Piccadilly Lilly, but shoot down 2 other planes and badly damage 5 more. At base Savage learns that Axis Sally's has made a new broadcast. He aircraft was not shot at as she wants him to die on the 13th. Colonel Reed arrests several people in the Group including Lieutenant Dietrich. Unknown to all Gilly Bright the barber turns out be the spy and he and Savage are going fishing on the River Wye. Gilly tries to shoot Savage on the day after Friday the 13th but at 13:00 hours in compartment 13 on the train; Savage throws him off the train.

A Legendary World War I fighter ace acting as a Ferry Pilot arrives at Archbury on his way to SHAEF HQ. On the way in the pilot gets killed when Hartley in the co-pilots seat engages some German fighters. The co-pilot is badly wounded while trying to take over the plane. The co-pilot later dies but not before mentioning the incident. Colonel Hartley turns out to be Savages mentor. The 920th Bomb Group will be arriving shortly and General Stoneman is looking for an experienced commander. Savage suggests Major Cobb, then asks Stoneman to consider Colonel Hartley. Hartley is temporarily assigned to the 918 and ignores orders several times. On a final mission Hartley takes his own route & crashes his plane into the target killing himself.