Alex Wilson hasn't been back to Indigo Harbor, the seaside village where she grew up, in years. In fact, she can barely remember anything about it. But when her grandmother dies unexpectedly, Alex will have to return to her childhood home to say goodbye. Accompanied by her best friend, Grim, Alex travels back to her hometown and begins cleaning out her grandmother's house, but the longer they stay, the stranger things get. Indigo Harbor isn't your average town--there are falling stars, witches running tea shops, and a name that comes up again and again: Elizabeth. Who was this woman, and how did she know Alex's grandmother? As she explores the town and sorts through her grandmother's belongings, Alex reconnects with her past and tries with increasing desperation to uncover the greatest secret of all, the identity of the mysterious Elizabeth.