Much to Hilda and Zelda's displeasure, Sabrina invites their mother over for a visit. During her stay, the aunts get some shocking information: that their mother and father adopted them and unfortunately, start to lose their sense of identity and start to disappear. Wanting to help Hilda and Zelda, Sabrina begins an investigation to help them remember who they really are.

After a short job search, Sabrina is hired as a barista at the local coffee house. However, her decision to work on Halloween is not popular with her aunts, and their ominous prediction that Sabrina cannot escape from Halloween proves true.