'Exploding oil wells.
'Millions of cars out of control.
'Two DARE winners in mortal danger.
'After Andy and Dylan are caught in a fiery explosion, Zander, JJ, Yasmin, Mila and Isabel realise their only chance to stop the next attack is to get one step ahead of The Signmaker. But the evil mastermind is far from their only problem, with the DARE winners now on the run from police, government agents and sinister suited thugs. Nowhere is safe. No-one can be trusted. Can they stay free long enough to decode the Third Sign, stop the next attack and reveal The Signmaker’s true identity? If you could be a hero, would you DARE? Seven Signs. Five days left to save the world.' (Publication summary)