
For the first time gunfire can be heard near Colditz. Lieutenant Colonel Dodd is dozed up with the flu and Phil Carrington acts as senior American Officer and he – with Colonel Preston has to handle a crisis when the Germans plan on moving the promenenti prisoners from Colditz – and there is bad news for the kommandant as the SS take an interest in Colditz.
A new second-in-command is appointed to Colditz, but Major Mohn – a distinguished and much decorated soldier is determined to continue fight the war inside Colditz and Simon Carter whose broken ankle is not mending is prepared to meet him head on, but a psychological battle between them has consequences for the Kommandant and Colonel Preston, who is forced to appoint a new escape officer.
Simon gets an idea to hide prisoners to effect a dummy escape which would then take pressure off any genuine escape, but Major Mohn is highly suspicious and starts to impose further restrictions on the prisoners and this impacts Simon's plan and puts the lives of 2 men in danger.