At the turn of the 20th century, tensions in Europe are rising.

Margaret works to make ends meet and return to Nonn.

Now a musical performer in the streets of Paris, Margaret finds powerful backing from a wealthy benefactor.

In an effort to restore her reputation, Margaret has an arranged marriage with Astruc.

Margaret is now Mata Hari, a superstar performing artist in a torrid affair with the powerful Castello.

In 1910, Mata Hari discovers an intimate betrayal, drawn into a web of double-crossings and murderous cover-ups.