"Favourite childhood game... fighting monsters," Havrha rasps. "Easier... kill dragons than damn bacteria."

"You slew a real monster," he murmurs. The elderly scientist developed the plague antigen too late to save herself.

"Traditional reward... kiss… prince."

He's alien, immune. "I'm no prince, but I'd be honoured." Their lips brush gently.

Rose comforts plague victims. Afterwards, she tries drowning nightmares in brandy. "Doctor? IfI was dying, would you kiss me?"

After nine centuries, it still breaks his hearts. Rose... so young. You are dying. You humans start dying the moment you're born.

He forces a smile. "Silly girl, you're fine."