Evolutionary Mutants

At the same time around the people wake up to find themselves....not as they had been. They don't look human anymore. They aren't human anymore. During the night the world's population had mutated, evolved in a single instant, some for the worse and some for the better.
The Nox twins are some of the Evolved that are likely to survive. But survival isn't a for sure thing. And if they can't make it, then no one will.