A dying woman's last words plunge an ordinary woman into a deadly investigation. Elizabeth O'Loughlin, while walking her dog on a sweltering summer day, stumbles upon Clare, a victim of a brutal knife attack. Clare, clinging to life, whispers a cryptic message to Elizabeth before she dies. This encounter forces Elizabeth to confront a killer who is determined to make sure their victims are never forgotten, pushing Elizabeth to take drastic action to protect herself and her family, even as the killer's focus sharpens on her. The narrative appears to be told from Elizabeth's perspective, detailing her descent into a dangerous world as she tries to outwit a relentless murderer.

The Menrva reader comments indicate that 'Forget Me Not' is a highly engaging and suspenseful read, with many readers describing it as an 'intense psychological thriller' filled with 'twists and turns'. The pacing is frequently noted as being fast, with several reviewers mentioning they 'flew through' the book or read it in 'one sitting', suggesting a compelling narrative that keeps readers on the edge of their seats. The plot is praised for its clever construction and ability to maintain suspense until the very end, making it a 'compulsively readable and engrossing tale'. Overall, the reception highlights the book's effectiveness as a page-turning thriller that delivers on suspense and unexpected developments.