Abby Diamond and her best friends: Neils, Jaxon, Alison, Andrea and Glen, return for another mysterious adventure.
Abby and her gang as well as Alison's mother, Kaitlyn bump into a mystery man who follows them while the group is on vacation. Kaitlyn Summers is once again the movie star, however, it is not Kaitlyn the man wants. Could he be stalking Abby Diamond, Girl Detective?