A Van Gogh painting ferried across thousands of years offering a terrifying prophecy, a message on the oldest cliff-face in the universe and a love that lasts a thousand years: in 102 AD England, Romans receive a surprise visit from Cleopatra. Nearby, Stonehenge hides a legendary prison-box. As it slowly unlocks from the inside, terrible forces gather in the heavens. The fates are closing around the TARDIS. The Pandorica, which contains the most dangerous threat in the Universe, is opening. Only one thing is certain: “The Pandorica will open…Silence will fall”.