在这部渡过黑暗剧情/喜剧/动作/惊悚/战争片中,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。
Broadway gambler Gloves Donahue wants to find who killed the baker of his favorite cheesecake. He sees nightclub singer Leda Hamilton leaving the bakery. When her boss Marty's partner Joe is murdered, Leda and her accompanist Pepi disappear. It turns out that beneath all the mystery is a gang of Nazi operatives planning to blow up a battleship in New York harbor.
