Rosie Tanner’s retiring, and she wants to gift herself a masterpiece of petunias. Madis is more than willing to take on the task, hoping this elaborate display of annuals will win her a regional gardening contest. Only, on the first day of the big project, someone attempts to murder the sweet librarian in her very own backyard. While the petunias are being planted, Madis vows to keep an eye on Rosie, but it’s not so easy when no one can guess who the perpetrator is. Rosie begs her to find a confidential note that flew out of her hands when she was ambushed, and the threat Madis finds in the garden offers many questions and few answers. Is someone out to sabotage Rosie’s last project of her career? Will someone stoop to murder to get her job? Or will another peril bloom as secrets are exposed…