"Rosalia. I think something scary's going on, Michelangelo. I woke up in a strange apartment too. Thing is, someone's stuff was there. A troll lady. Maybe she's the one behind all this. We've gotta find a way to call our families before...whatever we were brought here for happens."

Whatever their reason for being brought here, it certainly can't be for their own protection. She doesn't get how this turtle kid can be so cheerful about it.