Despite the odd split face that made her parents certain she was meant to be a medicine cat, Moonpaw wants nothing more than to be a great warrior for her Clan, and is eager to work hard to prove herself. But the voice that has whispered in her ear since she was a kit keeps distracting her from her duties and causing her to make mistakes. Moonpaw longs to be in control of her own destiny, but the voice is determined to have her say as well, and this struggle for control of one apprentice’s life will soon have unforeseen consequences for all the Clans…