Flt-Lt Carter has been caught trying to escape but has managed to pass on valuable information which has made a previous escape plan possible. Capt Grant has been relieved of his duties as Escape Officer to lead them but..."The best laid schemes o' mice an' men gang aft agley".

Flt-Lt Carter gains valuable knowledge of the German garrison which makes an ingenious escape plan possible.

Flt Lt Carrington is entrusted with a delicate task which leads to a daring attempt to escape.

The body of a German corporal is discovered in the Parcels Office, but despite evidence of murder, the Kommandant treats the matter as one of suicide.

At Colditz, insubordination is treated as a court martial offence. It also means a train journey to Leipzig and an opportunity to escape.

Convinced that the only certain method of escape is repatriation on medical grounds, W/Cdr Marsh resolves to feign madness.

Flight Lieutenant Carrington undertakes to bribe Private Heller into turning a blind eye for five minutes during his patrol in an area planned for an escape.

When the Poles discover an informer among their officers, they hold a court martial in secret and sentence the traitor to death.

When a lorry drives into the castle courtyard, Captain Grant seizes the opportunity to put a blitz escape into operation.

Carrington seems to court unpopularity with his fellow prisoners - more so, when he finds it essential to write an account of the Third Reich and its ambitions for the human race.

How will the British prisoners counter the effect of intensified security when the SS threaten to take control of Colditz?

Lieutenant Colonel Preston, the new Senior British Officer, arrives at Colditz in time to witness an abortive escape attempt. Preston's attitude towards this fiasco suggests to the Kommandant of Colditz that here is a man with whom he could come to terms.

The Gestapo is puzzled by Lieutenant Richard Player. Is he a British spy? He is sent to Berlin and entrusted to Count von Eissinger, who is determined to establish the truth.

After being shot down over Germany, Flight Lieutenant Simon Carter is sent to Prisoner of War camp Octenlager II. Caged and impatient to escape, Carter decides to jump the queue.

After his capture at Dunkirk, Captain Pat Grant is marched to Laufen Prison Camp in the very heart of the German Reich. Trapped, exhausted, demoralised - a systematic reconnaissance of the prison only proves that escape is impossible. Then Grant finds three six-inch nails...