The Hollow is no longer safe.When creatures of the swamp flee into Scout's homeland, he, Tuck, Misty, and their bold new friend Pip uncover the terror driving them out: a monstrous alligator known only as the Fang. Its hunger is unending, its fury unstoppable, and its shadow has turned the swamp into a kingdom of fear.But as the friends push deeper into the mire, Misty begins to falter-haunted by a secret that will change everything. When the truth comes crashing into the open, the battle isn't just for the Hollow anymore... it's for the lives of the Hollow continued.To defeat the Fang, the four friends must stand against the swamp itself. And this time, survival alone may not be enough.