They hook her up to the machines upstairs in cold storage, what Ianto thinks of as The Lab. He paces as Tanizaki works, wanting to help but not knowing how.

"This first stage should enable her to breathe without the respirator," says the doctor as he gives her an injection. "Once her body functions without support, I can judge what work is needed."

Ianto circles the table again. "What if she's not ready to breathe on her own?"

"You must be prepared for her not to survive."

Ianto stops and looks at Tanizaki, anxiousness icing over into fear. Not survive? She can't not survive, not here, not after all this.

The old man takes off his glasses and fixes Ianto with a level gaze. "Sometimes... in order to save what we love--" here he glances as Lisa-- "we have to risk losing it."

He presses a button on his laptop and one of Lisa's monitors goes wild. Tanizaki rushes over to her and checks her pupils-- Ianto sees one of the screens has flatlined. "She's not strong enough!"

Tanizaki shrugs him off. "Let me do my work!"