After discovering the water temple where Charlie and the creepers once lived, Carl and Chloe are set to explore this new location.
But what they find instead is unsettling: elder guardians and more of those strange creatures determined to get rid of them. Attacked and cornered, Carl and Chloe must find the next key before they can leave the area.
But as the monsters close in around them, they are quickly running out of time. As Carl uncovers more secrets to what happened to his people, will it be enough to escape? Or will Carl and Chloe be trapped down here forever?