London is terrorised by a vicious sex killer known as the neck tie murderer. Following the brutal slaying of his ex-wife, down-on-his-luck Richard Blaney is suspected by the police of being the killer. He goes on the run, determined to prove his innocence.

The film deals with the situation of British prisoners of war during World War II who are ordered to build a bridge to accommodate the Burma-Siam railway. Their instinct is to sabotage the bridge but, under the leadership of Colonel Nicholson, they are persuaded that the bridge should be constructed as a symbol of British morale, spirit and dignity in adverse circumstances. At first, the prisoners admire Nicholson when he bravely endures torture rather than compromise his principles for the...