Boston's Finest

After a stint in Afghanistan, Officer Jenn Penton patrols Boston with a rare intensity and sense of purpose - particularly when it comes to getting drugs off the street. Meanwhile, Greg Dankers and the Fugitive Unit search for a drug dealer convicted of selling crack cocaine and gun ammunition in a Roxbury school zone.

The officers of the Boston Police Department live in the city they are dedicated to protecting, working to balance fighting crime with finding time for family. For the department's Gang Unit, the target is a well-known figure whose capture becomes personal. Meanwhile, the Fugitive Unit cases the streets of Charlestown for a local suspect wanted on charges in New Hampshire.

The head of the police department's drug control unit decides there's only one way to stop the surge in drug violence plaguing South Boston: a massive raid on all the neighborhood's biggest suspected dealers. It's a mission that will require tremendous manpower, careful planning, and perfect execution. Elsewhere, patrol officer Jenn Penton decides to try speed dating.

In Dorchester, a string of gang-related shootings has the Boston Police Department on high alert. Things take a turn for the worse when a 20-year-old apparent gang member is shot execution-style in a local barbershop. With retaliation expected, the cops do everything they can to calm tensions and prevent another tragedy.

After more than a quarter century as a Boston cop and following a year filled with personal difficulties, Robert "Twitch" Twitchell is finally being promoted to Sergeant. Now, with just a week left as a detective in the gang unit, he's focused on bringing in one last perp.

It's been a little over a year since gang unit officer "D" Araujo found himself staring at the wrong end of a gun while chasing a suspect. The experience continues to stick with him, particularly as he teams up with the SWAT team to capture a suspect who's believed to be involved in a series of gun battles in Mattapan.

Officer Terrique Chambers of the Night Gang Unit patrols the dangerous streets of Boston along with his team. He struggles with balancing his career and raising his two kids, one of whom has been diagnosed with autism. Meanwhile, Officer Ryan Mason and the Fugitive Unit attempt to apprehend a dangerous, wanted criminal who has threatened to shoot it out with the police.

Officer Penton, one of the department's best patrol officers, is called upon day after day to solve one problem after another. But life doesn't always present issues that can be solved in short order. Now, after a few recent setbacks, she has reached out to Jenn for help. Meanwhile on the fugitive unit, Winston DeLeon and company are pursuing a rape suspect from a case dating back to 1992.