When a string of high-profile deaths shocks the city, all linked by the use of rare and toxic plants, botanist Dr. Lily Evans is thrust into the heart of a chilling investigation. Known for her expertise in botanical toxins, Lily is called upon by the police to uncover the mystery behind the murders. But as she delves deeper into the case, Lily discovers a disturbing connection to her late husband’s groundbreaking—and secretive—research into rare plants.

The trail of evidence leads Lily to a shadowy network of individuals with deadly knowledge and sinister motives. Each clue unearths dark secrets about her husband’s past, forcing Lily to confront questions she never dared to ask. The killer’s botanical expertise mirrors her husband’s, and Lily begins to suspect that his untimely death was no accident.

As the murders grow more gruesome and personal threats mount, Lily must use her botanical knowledge to outsmart a killer who always seems one step ahead. The chase takes her into a hidden world of poison gardens, where each plant is deadlier than the last—and where the killer has prepared a final trap just for her.
In a race against time, Lily must uncover the truth about her husband’s legacy, the killer’s motives, and her own strength. But the deeper she digs, the more she realizes that the killer knows she’s getting close—and he won’t let her escape his garden of death.