Onyx Lauristen is a League Assassin assigned to kill Nykyrian Quiakides, just so she can prove her worth to her boss Kyr, who's trained her since she was fourteen just for this moment. But when Nykyrian and his best friend Syn offer her a way out, she throws everything tied to the League away. Now, Kyr will stop at nothing to make an example out of the two assassins.