Her fingers caressed and massaged the Doctor’s neck. He began to stir.

‘Destroy the – destroy the ice maze,’ he was muttering.

‘It’s done,’ she said.

He opened his eyes. They were a gorgeous, indefinable colour.

‘We can use the bomb–’

She put a finger to his lips.

‘It’s done,’ she soothed.

No, not indefinable. The colour of rainbows.