Ever since the car accident that claimed her parents' lives Grace Abrahams has been able to see ghosts. She meets them at storage locker auctions that she goes to with her brother, Frankie. In 'A Sweet Murder' Grace meets the ghost of an older woman - Connie Flamingo. Connie was the head of the hugely successful Flamingo Sweets. Connie can't remember how she was murdered but knows that it was committed by someone close to her. As Grace investigates the mystery she soon finds out that many members of Connie's family had plenty to gain from her death. Furthermore, investigating Connie's death has an unfortunate side effect on Grace. As always, Pearl, the resident ghost at Grace's shop, is on hand to offer advice.