England, in the near future. Four years after the mysterious disappearance of her best friend Mal, student Lee is still traumatized. After a mysterious phone call, her path crosses with that of MI5 agent Julian Sabreur, who is chasing a phantom. Could it be Mal? But where was she – and where is she now? When a physicist who has been researching parallel worlds is also kidnapped, the fabric of Lee's and Julian's world begins to unravel. Something is out there, and it has dark intentions.