So the person A has amnesia.
A and B were friends but A doesn't remember that. A don't know B.
B had give A a necklace before A had an acident which made her has the amnesia.
A could replace the memory of B give her the necklace by herself buying it or a C … Read more
The mind is a very powerful thing. I think its possible especially if the memories reflect a very VERY tramatic experience.