With Leafstars encouragement, Sol, a former kittypet, has joined the ranks of SkyClan. He dreams of becoming a great warrior, and promises to be helpful and brave. But Leafstar soon begins to wonder if Sol respects the rules of the warrior code. And when Sols actions lead to a perilous disaster for SkyClan, Leafstar has to figure out whether he can be trustedbefore its too late.