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 and the Sweeper Alliance make it to Creed's island hideout. However, the Apostles of the Stars are ready and waiting for them. Separated from the others, Eve must finally do battle on her own when confronted by Leon, the wind master. She has the powers she needs to win, but does she have the heart?