Just when William and Kate think they have figured out what is going on, Harry returns with some unexpected news, but can they trust him after the last time? As the mysterious happenings begin to unfold, it is clear to them that the sentinels will never leave them alone, not until they have come for what they have been waiting for. With time running out, William and Kate must make the hardest decision they will ever have to make. Run, or face the demons that they now know will never leave them alone.