Amidst ongoing strife within and between the Clans of warrior cats, Brambleclaw is tempted by the dark plans of his father and brother, and the meaning of Leafpool's ominous visions becomes clear.

After facing their first battle, the remaining mountain cats must seek the Blazing Star in order to survive a new threat: a deadly disease sweeping through their territory.

For generations, the animals of the African plains have followed a single rule: only kill to survive. But when an unthinkable act of betrayal shatters the peace, the fragile balance between predators and prey will rest in the paws of three unlikely heroes.