An ex-C.I.A. operative is brought back in on a very personal mission and finds himself pitted against his former pupil in a deadly game involving high-level C.I.A. officials and the Russian President-elect.

Follows a young man named Albert and his horse, Joey, and how their bond is broken when Joey is sold to the cavalry and sent to the trenches of World War One. Despite being too young to enlist, Albert heads to France to save his friend.