This is book 3 in the Amish Suspense series.
Libby Morgan is Trey sister and Link's twin sister. You meet Trey and Link in the first two books in this series. Now Libby has come home from a photography job to find her place where she was raised. Libby's amish friend was concerned about something and Libby is going to be meet up with her when there is an accident. Now they are all in danger.
Adam Byler is the police chief and one of the reasons Libby left town in search of a new life. Now they are brought back together to confront danger face on!
This story is really good. As is all of Marta Perry's mysteries. After reading a few mysteries you can see how Marta's writing is very similar but the one thing is that you never know who it is in the end.