That voice roused him from what had been dazed blinking at the sky, and the Doctor rolled over to stare at the tablet blankly. How long had it been active? How much had Jenny seen?

"Jenny..."

Coming here to get him. Coming here.

"No!" His voice held a hard snap to it that allowed no argument. "Stay where you are, do not come here. I'll meet you..."

He searched his memory for a place that would work, would be safe. Or at least safer than talking on the Master's doorstep. "Martha," he said eventually. "I'll find Martha and meet you there."