Marcus Hayes is the son of Hillary Kraft and Nathan Hayes. Nathan was a werewolf, but once Marcus and Shane were born, he became fully human, passing the wolf half to his sons. When Hillary couldn't handle the stress of Marcus' oncoming changes, she divorced Nathan. Marcus has recently begun his transformation and has been inducted into the "pack" that Nathan used to belong to. Marcus is best friends with Katniss Vincello and Aria Quinn and he is dating Hanna Charlton.