A Question of Loyalty

"A Question of Loyalty" is the eleventh episode of the first series of Secret Army.

Plot
The crew of a British Wellington bomber are all believed killed near Brussels, providing Kessler with a chance to penetrate the escape line. German officer Ernst Stoller, who was raised in England, is chosen to go undercover as an escaping airman. At the same time Monique is frustrated by the situation with Albert and his wife, and romantically drawn to Stoller. With the help of London Stoller's story is found to be flawed, and Monique is forced to help Albert kill the man before he can betray their operation.