Okay, this is going to be very AU, just warning you. Simply because it's set in 1891, as if Walnut Grove hadn't been destroyed the previous year.
Dear Adam and Mary,
Carrie was in an accident last week. Ever since, we haven't been able to get through to her. Not even Hester Sue can help her. Charles and I believe she could benefit greatly from your help. I know it is a lot to ask, but please come as soon as possible.
Fondest wishes,
Caroline Ingalls
Sorry that this prologue is so short, but, as you may or may not know, I write it as it comes to me. Please review! You'll make my day! I really mean that. Thanks!:)