An African-American prison psychiatrist finds the boundaries of his professionalism sorely tested when he must counsel a disturbed inmate with bigoted Nazi tendencies.

The US Government tries to track down embedded Nazi agents in the States.

影片描述大赌徒格洛佛·唐纳休，偶然在用餐时发现了面包师被谋杀，遂跟他的手下展开侦查，证实此事跟夜总会老板乔丹富有关。但乔不久又被人暗杀，临死前举起五支手指有所暗示。格洛佛循线追寻到码头这边的大仓库，终于发现了纳粹间谍基地。格洛佛乃伙同黑道弟兄对间谍大头目霍尔埃宾展开宣战，破坏了他们准备炸毁纽约港的计划。

《纳粹间谍的自白》美国华纳出品的第一部反纳粹电影。

Archival footage of an American Nazi rally that attracted 20,000 people at Madison Square Garden in 1939, shortly before the beginning of World War II.