Denny and Joey are lifelong friends and partners in the Chicago police force. Denny's settled with a seemingly ideal home life, complete with wife and kids, while Joey lives alone, drinks too much and can't land a girlfriend. In the course of the play, the two men tell their differing takes on a dangerous journey on the dark side of the streets of the city that puts them face-to-face with a serial killer and pushes their loyalties to the limit.