Would you fight to the death to prove you are worthy to stand beside the one you love? Eighteen-year-old Tessa Morganton's life has been flipped upside down. After learning Jace's secret, and discovering the man she'd thought all her life was her father isn't, she must also cope with the reality of what she's now become-a werewolf. Tessa tries to maintain her normal life while her body changes more and more each night as the full moon grows closer, but when Shelby comes back to pay her a visit, Tessa soon realizes turning into a wolf may not be the only dilemma she will have to overcome. As the Wolf Moon draws nearer, Tessa uncovers a few things about Jace and Shelby's relationship as well as exactly what Pack Law entails in the untraditional situation Jace has created for them all.