Deadly Secrets in Plane Sight

After her beloved mentor, Ed Heschen, dies in a car crash, Sierra Bauer, aircraft mechanic, returns to her alma mater to eulogize him. Ed and his family were her lifeline six years ago after she survived a violent attack.

Though local law enforcement assures her that Ed's death was an accident, Sierra is certain it was something more when she finds a warning hacked onto his plane and learns someone threatened him before he died.

When Ed's widow receives a package Ed sent to himself after his ...