Caught by the renegade forces of the Alpha Legion and forced to take refuge in the Alaxxes Nebula, the Space Wolves are bloodied but unbowed. The young pack leader Bjorn – now known to his warriors as ‘the One-Handed’ – is desperate to recover his honour in battle, but replacing lost limbs for proud legionaries is not a task worthy of the Iron Priests. If Bjorn is to fight again, then he must seek out new claws for himself and christen them in the blood of the traitors...