Lexi Grayson is a normal teenager, as normal as she can be with her unobserving skills and her overthinking mind. But she might need the overthinking if she wants to unravel the smirking mystery that is Blake Eaton.

With their new album A Head Full Of Dreams and a colourful world tour, Coldplay are happier than ever and Chris seems to have finally turned a corner. But when a concert takes a horrifying turn, things will never be the same again. And they're not the only ones whose lives are about to change...