Rosalie Lapointe is preparing for war. After discovering Edmund Price’s deception, she threw herself into her experiments and tinkering, getting ready to confront The Mothers – an organisation dedicated to supressing scientists all over the world. Her steam engine is finally working properly, she’s repurposed her indoor illumination globes with a trebuchet mount, and she’d fairly certain that her modified pistol is as close to The Mothers’ design as she can make it.But she was not prepared for more betrayal to come from someone close to her. She was not prepared to meet them in battle weeks before she was ready. Can she defend her home and the man she loves from the women who are determined to erase her mind and ideas from the world?