Who would have imagined that the dilapidated mansion, the imposing "tower" of Kifisia, would become a hideout for terrorists? Alexis, Katerina, and Giannis will once again find themselves entangled in an incredible story with bomb explosions, injuries, and hostages. Will the three friends manage to escape? The resolution of the case will finally be given at the Skyros carnival. [Excerpt from the text on the back cover of the edition]