In all the years she has watched the wolves in the woods behind her house, Grace has been particularly drawn to an unusual yellow-eyed wolf who, in his turn, has been watching her with increasing intensity.

As Grace hides the vast depth of her love for Sam from her parents and Sam struggles to release his werewolf past and claim a human future, a new wolf named Cole wins Isabel's heart but his own past threatens to destroy the whole pack.

Hace años, Grace estuvo a punto de morir devorada por una manada de lobos. Inexplicablemente, uno de ellos, un lobo de intensos ojos amarillos, la salvó. Desde entonces, todos los inviernos Grace se asoma al bosque y, desde la distancia, lobo y chica se observan. Cuando llega el calor, la manada desaparece y, con ella, "su" lobo. En el verano Grace conoce a un chico; se llama Sam. Es un tipo normal, salvo por sus ojos. Son de un extraño color...