Discover what lies beyond the Quantum Door. The mysterious woods behind Brady and Felix's house have been deserted for years. But things change when a fence goes up and the brothers notice strange things happening at night. From the moment they dare cross the fence, the brothers enter a world of dark technological secrets that will rock the foundation of everything they know to be true. And once they enter, there's no turning back. "Some places are better left alone..."

A mysterious breakthrough brings Alison Shaw to the edge of her vanishing world. Everything she knows will soon be gone-everything except the memory of an unlikely friend. But is their bond strong enough for her to hold on to? And is a memory worth living for when nothing else is left?