Finn is in the cell next door. The Doctor is keeping them there until they tell him what he wants to know. Trouble is, what he wants to know hasn't happened yet. Em and Finn have a shared past, but no future unless they can find a way out. The present is torture - being kept apart, overhearing each other's anguish as the Doctor relentlessly seeks answers. There's no way back from here, to what they used to be, the world they used to know. Then Em finds a note in her cell which changes everything. It's from her future self and contains some simple but very clear instructions. Em must travel back in time to avert a tragedy that's about to unfold. Worse, she has to pursue and kill the boy she loves to change the future.

    Forced into an engagement to a wealthy man just so she and her mother can live comfortably for the rest of their days, she’ll do anything to escape. Including sneaking away from her wedding and bolting into the woods to disappear.New Seattle, 2077 // Ash is on a mission. Rescue the professor—his mentor who figured out the secret to time travel—so together they can put things right in their devastated city. But searching for one man means endless jumps through time with no guarantee of success.When Dorothy collides with Ash, she sees it as her chance to start fresh—she’ll stow away in his plane and begin a new life wherever they land. Then she wakes up in a future that’s been ripped apart by earthquakes and floods; where vicious gangs rule the submerged city streets and a small group of intrepid travelers from across time are fighting against the odds to return things to normal. What Dorothy doesn’t know is that she could hold the key to unraveling the past—and her arrival may spell Ash’s ultimate destruction.