Rising violence in Baltimore, Maryland, is fanning the flames of public outrage, and all law enforcement agencies, including the FBI, are catching blame. Thus the FBI's latest ideas to improve public relations: a municipal softball league and workshops for community leaders. But the new commitments just mean more time Special Agents Ty Grady and Zane Garrett have to spend apart when they're happily exploring how to be more than by-the-book partners. Then the latest spate of crime explodes in their faces--literally throwing the city, the Bureau, and Ty and Zane's volatile partnership both in and out of the office into chaos.