"Don't Blink. Blink and you're dead. Don't turn your back. Don't look away. And don't Blink. Good Luck." These cryptic messages left on 17 DVD's leave Sally Sparrow on a journey to assist the Doctor and Martha Jones, who are trapped in 1969. But Sally is in 2007, and they won't meet until 2008. Strange? Unusual? Not if you are the Doctor.