At the turn of the 20th century, tensions in Europe are rising. After the death of her son Norman John, Margaret, a young woman trapped in a violent marriage, flees to Europe with her young daughter Nonn.

Margaret works to make ends meet and return to Nonn. An opportunity to move in with a family and become a horse trainer finds Nonn tangled in a web of temptation and betrayal.

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. In Paris, she runs a flower shop - but a world of danger and darkness lies beneath the veneer of happiness.

Margaret is now Mata Hari, a superstar performing artist in a torrid affair with the powerful Castello. When she meets prestigious art patron Sergey, Mata Hari finds herself at another crossroads.

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

As World War I dawns on the horizon, Russian intelligence tights its investigation into German spies.

In 1915 Paris, Mata Hari finds herself tied to a brutal murder. Soon, French police are following her every move.

Facing tragedy, Mata Hari fights for justice, and plans a potentially explosive book with Lenoir.

As violence explodes in the streets, Mata Hari finds her affairs and alliances bringing her closer to danger.

After a shocking murder, Mata Hari finds herself with a deadly driver, on a ride that could be her last.