One hero lost in a raging tsunami. One Sign pointing to a deadly battle. One day left until the end of . . . everything. With Sydney plunged into underwater chaos, the DARE winners are suspected of being responsible. After escaping from security officers, they must race to their final destinationFelix Scotts mega-ship Infinite Horizonand decode one last deadly sign. If they dont get this right, then its game overnot just for them, but for the whole world. The DARE winners will have to use all their wits to stop The Signmaker. But after a mind-blowing secret is revealed in Antarctica, theyre in for a heart-stopping final face-to-face battle with an unimaginable enemy. Who will live and who will die? If you could be a hero, would you DARE? Seven Signs. One day left to save the world.