On a practice for night mission, they are being tracked by Vendry's unit They change course and evade successfully but ""Chub"" has to correct as he was off target. Chub is distracted because of his girl Kitty. On the actual night mission into Norway to pick up legendary resistance leader Arn Borg, they are told to look for the King Frederick light. It seems to be a trap as the Germans are waiting. The plane gets shot at lands and picks up Borg who brings his son Christian back with him. Gallagher is angry. Backs at base, Borg's map is impossible to read. Gallagher is ordered to fly another recon mission. Borg runs away so they decide to take Christian to show them the target. Borg comes back and flies the mission. They bomb what seems to be a heavy water storage facility and the mission is successful. Borg goes back to Norway. (thetvdb.com)