A wave of terrorist bombs shuts down the city, pushing Team One to the limit and putting one of their own on the line.

Team One must resolve a standoff at a seedy motel with a fugitive who has shot two police officers and taken a teenager, Paul Wilder, hostage. At first, Paul seems like a good kid in a bad situation, but as the team digs deeper it uncovers chilling secrets that reveal Paul is far from innocent. What began as a standoff ends as a desperate chase through the city’s sewer system, and it’s up to Parker to stop Paul from making a mistake that will change him forever. Meanwhile, Ed discovers that his cop brother Roy might have been responsible for one of the officers getting shot … and that his wife is, unexpectedly, expecting.