Captain Thomas Forsyth's tour of Afghanistan is cut brutally short when he is badly wounded by a roadside bomb. Returning home, to his mother - a racehorse trainer and the 'First Lady' of racing - Tom discovers the training business is on the edge, and facing a threat far more dangerous than a run of bad form. Tom finds himself on a very different, but just as deadly, battlefield where his military skills are tested . . . kill or be killed?