The Great Battle is long behind the clans, and the spark of new hope arises. But when a terrible new prophecy is announced, all suspicion is turned on the litter of Squirreldflight and Bramblestar.

Three years have passed since Gregor fulfilled his role in the Prophecy of Time. So when Gregor receives a desperate plea for help, he jumps at the chance to return to the Underland and his lover. But Gregor is about to discover that in the Underland, a lot can change in three years. Now, he's being thrown into another quest with an unknown future laying ahead.