 "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.