so SOMEONE (sitting next to me who feels very bad)...opened the window next to a ledge where two of my african violets were sitting. It was pretty cold outside, I think around 40 F. The violets were exposed for maybe 10-20 minutes. When I saw them, I went AHH and moved them away from the window quickly. They felt pretty cold. I closed the window and didn't put them back until the following day so they could warm up a bit. Now it's been a couple days, and both violets show obvious signs of shock. Both show browning on the leaves, and one violet has a couple leaves that are curling. From far away, the other violet actually looks healthy, not wilting or curling, just the brown discolorations. The browning is visible on almost all the leaves, not just the outer ones.

I've put both violets in a little greenhouse. The one that had curling leaves was very dry as well, so I watered it (which might have been a bad idea?).

Is it possible the plants could make a comeback? Is there anything else I can do so they don't die?