Grieving the loss of his best friend, while covering for colleagues killed and wounded by the unknown Haymarket bomber, Sergeant Billy Doran is not a happy man.The rookie he has thrust upon him to complicate his working and personal life only adds to his frustration, but when a madman appears from the shadows to stalk his city and endanger his own family, Doran knows he must find a way to work with his new detective if they are to catch the killer, or it will be more than the city of Chicago that will lie in ruins.