They became more powerful.
Contrary to her name, shes actually an orange.
The colors indicate the individuals danger level.

Credit: Daniel McFadden
The first one is green, where they show heightened intelligence, theyre super smart.
Then you have blues that are able to move things telekinetically, she adds.
Then there are yellows, which are able to basically short out anything thats electric.

Daniel McFadden
So theyre not good to have around your appliances.
Then there are the oranges that are able to control peoples minds.
And then the reds …
Fire starters.

Daniel McFadden
Although the abilities are considered a curse, the ones who wield them dont see it that way.
Led by Ruby, theyve escaped their camp.
Not all of the adults in the story are necessarily hostile.

Daniel McFadden
Rubys a pretty normal kid before the plague hits.
She has a very loving relationship with both of her parents.
Like all of the other kids, she is placed in a camp.
Then she gets her chance to escape.
Everything changes once shes broken out of the camp.
But when shes out in the world, it has changed so much since she was 6 years old.
Thats the last time that she was actually free, a normal person.
She meets this group of kids who completely change her life.
They figure out how to survive in this world together, Stenberg says.
It activates an independence and she finds a sense of family.
Thats something that shes wanted so badly, to be close to people.
Liam is the romantic interest from the book, Yuh Nelson says.
Hes a blue, so Liam can move things around with his mind.
Ruby is an orange, where she can basically gointopeoples minds.
That makes their tentative relationship especially tricky.
Imagine being able to literally pick into the brain of your crush.
Chubs is their strategist.
So hes incredibly smart, Yuh Nelson says.
Zu is a yellow, which is basically able to short things out or control electricity.
(Hence the rubber gloves.)
The world in general has not fared well after the death of nearly every young person.
The scorn and fear toward the powerful survivors has only exacerbated the crisis.
Here we see the crew venturing into an abandoned mall, where nature has already begun to reclaim it.
The cause of the plague that caused this catastrophe is one of the films mysteries.
Why does it take out kids?
What is this thing?
How do you cure it?
How do you fight it?
Do youwantto fight it?
They dont know how to find a place in the world.
How to find a self-acceptance.
There may be things about themselves that they just dont feel like they belong, she adds.
To sort of love each other, despite everything.