After watching the entire capital city disappear, dealing with a vision of his future self coming to visit, and running into a talking Ender Men, Carl can’t help but feel over his head. Along with Chloe and Liam, the three uncover an evil plot put together by the Ender Men led by Brandon which threatens to ruin the Over World once and for all.
Discovering secrets of time travel, End Guardians and crystals that hold everything together, Carl can’t help but feel as if there is a giant countdown above his head. With the chance to correct Liam from accidentally helping Brandon into the Over World, Chloe and Carl must work swiftly to ensure the future remains intact.
Along the way, they must work with Sean the Ender Man and try to save Liam from the control that Commander Richard has on him. Will they be able to make sure the timeline remains fixed or is it already too late?