Crossing paths with bounty hunter Train is seriously bad luck for criminals! Train Heartnet, also known as "Black Cat," was an infamous assassin for a secret organization called Chronos...until he abandoned that cold-blooded existence to live on his own terms as an easygoing bounty hunter. But is Train's past as far behind him as he thinks? Train finds himself on the wrong side of an eerie case of déjà vu when he comes to the aid of a troubled boy seeking revenge for the death of his parents—and is forced to confront his own vengeance-laden past. Meanwhile, Rinslet creates a shaky new relationship with a dangerous old enemy.