Vasilisa i ee druzya okazyvayutsya na Ostale, gde raz v tysyacheletie rastsvetaet Alyy Tsvetok - chasodeynoe serdtse planety. Chtoby spasti Eflaru ot pogloscheniya, sem hraniteley Klyuchey Vremeni dolzhny zagadat edinodushnoe zhelanie.
Odnako mezhdu klyuchnikami nachinaetsya protivostoyanie, pererastayuschee v borbu ne na zhizn, a na smert. Sredi novyh druzey Vasilisy - Fesh Dragotsiy, plemyannik Astragora, samogo moguschestvennogo vraga chasodeev. Malchik sbezhal ot svoego dyadi, spasayas ot semeynogo naslediya, no teper, kogda bitva za Vremya razgoraetsya, chyu storonu on vyberet?