Margaret McLeod is penniless and out on the streets after her husband leaves her and gains custody of her only daughter. With no other means of making a living, she decides to become an exotic dancer. Under the stage name of Mata Hari, Margaret soon wins fame and notoriety, becoming extremely popular with the European elite. She becomes a regular guest of luxury villas and magnificent mansions, her every performance creating a real sensation. But the year is 1913 and the world is on the verge of a war that will change the entire course of history. Mata Hari cannot even imagine what fateful role she is to play in these coming events.