"The crashed ship. The one Tom Cardwell saw all those years ago. And you borrowed its technology, didn't you? Maybe even found a Dalek or two in the wreckage. Dead, but intact. And you began to turn human beings into creatures like them. You did that? I'm right, arent I?"

Chronological Placement

This story takes place after the 1996 Doctor Who TV Movie and after the Eight Doctor's adventures with Charley Pollard.