A slight tensing of wrist muscles is all the reaction Martha gives him when he grabs her wrist. Otherwise, she stays remarkably calm as she eyes him up and down. He can't see which definitely gives her an edge if she does need to defend herself. And between the Paradox Year and then years at UNIT, she has enough training to do so. But she doesn't want to waste the water. Getting more involves fires and boiling, or finding another drop point.

When she answers his questions, it's with a calm, steady voice.

"Where you are is one of the morgues in Norfinbury. Why you're there is likely because you died and just came back to life. Now, I'd really rather not spill this water everywhere, so if you will please unhand me, I would appreciate it."