Tucked away in a government facility nicknamed the Playroom, six not-quite-human kids learn to control their strange and unpredictable abilities. Life is good—or safe, at least—hidden from the prying eyes of a judgmental world.

That is, until a security breach forces them out of their home and into the path of the Collector, a mysterious being with leech-like powers.

Can the group band together to thwart the Collector’s devious plan, or will they wind up the newest addition to his collection?