The Obsidian

Three murders. No evidence. One name. When influential people begin dying from undetectable poison attacks, Inspector Vijay Verma seeks help from the most dangerous woman in prison — Poison Girl. Their hunt leads them to Obsidian, a hidden criminal network whose reach extends from prison cells to the highest levels of power. As secrets unravel and loyalties are tested, Poison Girl must confront an enemy who operates from the shadows and always stays one step ahead. A thrilling mystery packed with action, suspense, and deadly twists.