Private Investigator Regan Reilly and her new husband, Jack, are spending their honeymoon at romantic Hennessy Castle in western Ireland. The perfect place to relax - or so they thought . . .
Inspired by a mysterious tombstone, they uncover the story of May Reilly, who made an exquisite lace tablecloth for the castle but was never paid. According to local folklore, she has haunted the castle ever since. Then a mysterious woman appears in the castle gardens in the middle of the night, and the next morning May Reilly's valuable tablecloth has gone. But it is not only ghosts that will haunt Regan and Jack's honeymoon . . .