Charmed Season Ten continues! Together, the Halliwell sisters have access to the greatest source of pure magic the world has kwn: the Power of Three. But w that their eldest sister Prue has been resurrected, a strange magic threatens to tear them apart. The Charmed Ones race to find a way to protect their family from Prue's powers without killing their troubled sister. However, as they prepare to do a dangerous spell, the shape-shifting Big Bad that has seized control of one of their own is setting its plan in motion.