When a classified Moon base sends a distress call, Kieran must face his most harrowing mission yet. As a sergeant in the Griffins-an elite paranormal strike force-Kieran knows what lurks in the shadows. Even as a boy, he slew a werewolf before it could feast on his sisters. But this time, he may be out of his depth. A sinister organisation has been studying werewolves, where the Moon is always full... You can't outrun them. You won't outlast them. You can only hide, or die. Isolated and betrayed, the Griffins are scattered and hunted by escaped beasts. Uncovering world shattering secrets, Kieran must contain the breach before it spreads and fight to save his family once more. Can he succeed before humanity faces its darkest hour?