Isis, the daughter of a charlatan psychic, can see ghosts – including that of her dead little sister, Angel. Gray is the son of a UFO-chasing conspiracy theorist. The two teenagers are forced together when their parents start dating. After a reluctant start, a friendship develops and Isis confesses her secret ability to Gray. But when Isis' mum is inducted into an elite psychic society, run by charismatic Philip Syndal, Isis discovers there are sinister intentions beneath Philip's charm. She and Gray find themselves in grave danger and Isis is forced to use her considerable powers to save them both.

Ghosts, clairvoyants, UFO-hunters and the paranormal collide . . . Isis, the daughter of a charlatan psychic, can see ghosts - including that of her dead little sister, Angel. Gray is the son of a UFO-chasing conspiracy theorist. The two became friends over the summer, when they fought a deadly ghost together. So why is Gray now ignoring Isis at school? On a field-trip to a local mine, the pupils are 'accidentally' coated in dust, which has very odd side-effects . . . Could this be related to the ley lines and standing stones which have been calling to Isis with strange, ghostly voices? The secretive and powerful Organisation know the truth, but can Isis and Gray find out what's really happening, and save a life, with the help of two ghosts?