Families separated by a multitude of reasons-- ill feelings, separation at birth, kidnapping -- many reasons for such, or a holiday reunion lends itself to a fantasy reunion that can be heartbreaking for its reality. A class reunion can be terrifying for anyone! Whoa, so many possibilities here!
This is a prompt where we expect to have our heartstrings tugged in some way. So many possibilities as suggested above. I'm sure you can come up with many more.
We can't wait to start reading!