The twist? The kids are categorized by color based on their power level:

Additionally, there are several novellas ( In Time , Sparks Rise , Beyond the Night ) that fill in backstories.

The novel uses a rigid classification system to organize the children's abilities, which serves as a metaphor for societal labeling and segregation [5, 21]: : Enhanced intelligence [10, 41]. : Telekinesis (moving objects with the mind) [10, 41]. : Electrokinesis (manipulating electricity) [8, 10].

Ruby’s journey is not about mastering her power; it’s about trusting it. She is terrified of her own mind, afraid that she will manipulate the people she loves. This internal conflict—the desire for connection versus the fear of becoming a monster—is the fuel that drives beyond typical dystopian fare.

: After a mysterious disease kills 98% of children, the survivors develop powerful psychic abilities. They are deemed a threat by the government and sent to internment camps.

The ability to manipulate minds, memories, and emotions. These kids are considered extremely dangerous and are often executed or "disappeared".

: Features Amandla Stenberg, Harris Dickinson, Mandy Moore, and Gwendoline Christie.