Human med student Elena secretly raises Kate, her half-wolf daughter, from a one-night bond with Alpha Alex. Needing rare medicine Lunarid, she finds Alex, who recognizes her by scent and bite mark. Kate is kidnapped, Alex discovers she is his daughter, and Elena moves into the pack estate. She survives Nyx's cruelty, becomes Luna, breaks Alex's curse through true love, and exposes Nyx's sabotage of a bloodline test. Mrs. Volkov accepts the family. Alex proposes, and they marry as one.