Tyler, Blake and Maddie are happily paddling their dingy near the shore. At first they don't notice the scuba diver swimming ashore and the tiger shark sweeping in for the attack. Then they hear the scream - and see the grisly commotion. Despite being badly injured, he's far more anxious to tell them a random list of letters and numbers.

When Bernard was thirteen he killed a man. Everyone called him a hero. Now the past haunts his dreams. How can Bernard come to terms with what he did?

Not long into the flight on a crowded plane Toby gets a text. 'Toby - Help me. Am being watched. In trouble.' His friends bag has something highly dangerous planted in it - but they don't know what it is or what it's for. They need answers quickly so they can stop the devious plot.