The Secret of Blood Island (1964)

Based on the true story of a British secret agent shot down over Malaya near to a Allied POW forced labour camp There she is hidden disguised as a youthful prisoner until her escape can be effected The costs of keeping her identity secret fall on all the POWs as the Japanese embark on a policy of ruthless terror to extract her and the focus shifts to the conflicts of the group s collective concerns against the necessities of personal survival