After coming to her senses following a train crash, sixteen-year-old Dylan discovers that all the passengers have vanished. She goes for help and ends up in a strange, deserted place. What happened—and where exactly did she end up?
In search of answers, Dylan meets a mysterious boy named Tristan, a guide who takes the souls of the dead to another world.
Together, Dylan sets off on a dangerous journey into the afterlife. The more time the young people spend together, the stronger their feelings for each other become—and it will inevitably lead to unpredictable consequences.