Physics isn’t easy. Rule number one should always be ‘Don’t Destroy The World’. Sometimes science doesn’t follow the rules.

An experiment gone wrong means the Earth only has days left before it is torn apart by an invisible parallel world and Mia Green finds herself stuck in Paris, in the middle of the unnatural disaster. With calamity only ever a step away, she has to get home to England to find her family and stop the experiment that’s ending the world, but that’s easier said than done when the entire world has become an invisible and unpredictable puzzle filled with unseen danger?