Evelyn Black, a brilliant designer burdened with her family's blood feud, harbors a secret werewolf gene and infiltrates the rival Valen Group. Her original goal is to expose the crimes of her enemy Hugo Valen. Yet during her confrontations with Samuel Valen, the group's heir, a fated genetic resonance awakens within them. As her vengeful fangs become entangled with forbidden love, she finds herself falling into a vortex far more perilous than hatred. Truth, power plays, and cross-species passion collide violently under every full-moon night.