Lieutenant Jacqueline "Jack" Daniels is back in her sixth mystery, the most gripping and suspenseful yet. Jack thought she could rest easy once she locked up the nefarious Alex Kork in prison for life. However, she hadn't counted on Kork's incredible ability to get out of any situation. Now the insane serial killer is again on the loose, and once more, Jack has to make Chicago safe from this deviant woman's evil ways.