When a shape-shifting mercenary named Shadow kills Lukas's friend, he goes after the criminal for revenge and to claim the bounty on Shadow's head. Lukas doesn't expect Shadow to get the drop on him or to find the shifter so attractive. After a brief sexual encounter in an alleyway, Lukas is forced to admit a fascination for a man he really shouldn't want. He tries to maintain his distance, but it disappears when Shadow barges into Lukas's life. When Shadow asks Lukas to help clear the bounty on his head, Lukas agrees despite his initial misgivings.