When Vivien Epstein follows her lover into danger and he is caught between life and death, Vivien finds herself going undercover with the fascists, not only for him but for the sake of her country.

April 6th, 1917. As an infantry battalion assembles to wage war deep in enemy territory, two soldiers are assigned to race against time and deliver a message that will stop 1,600 men from walking straight into a deadly trap.