Having finally rescued her friend, Delphine is left with a secret that could put all of Tartora at risk. Stranded on an island and with their relationship in tatters, Delphine and Nik are further than ever from finding and defeating Grey. But now they know the truth of his ability, they can't let anything stand in the way of stopping him. Delphine's unique skills are their best tool for facing Grey, but they also make her a target...