A married couple from Poland emigrates to the U.S.,. but things don't turn out as well as they had imaged. The husband's business fails, while his wife's career really takes off. The husband, unable to cope with the pressures of his failed business, his failing marriage and the adjustments necessary to live in a completely different society, begins to take out his frustrations on his wife.

Frank Taylor（Humphrey Bogart）是一个工作认真的机械工人，一心努力工作想要成为车间领班，赚更多的钱让妻子和儿子过上幸福安逸的生活。信心满满的Frank和众多工友都认为他为成为新的领班，Frank也将这个即将受得提升的消息告知了家人，不料上级最终却将领班职位给了一个更有知识的匈牙利裔美国人。Frank对此极端不满，内心受到极大打击，意志消沉，此时，一个工人介绍他加入了一个反他裔美国人的地下组织：黑暗军团......

The history of a Polish family and its contributions to the war effort throughout American history.