A German soldier tries to determine if the Dutch resistance has planted a spy to infiltrate the home of Kaiser Wilhelm in Holland during the onset of World War II, but falls for a young Jewish Dutch woman during his investigation.

在二战初期，一位德国军官试图查出荷兰抵抗组织是否派了一名间谍打入威廉二世皇帝在荷兰的公馆中，但他却在调查过程中爱上了一位年轻的犹太人荷兰女子。