The bullet that killed his daughter was meant for Boston cop Thomas Craven. That's what police brass and Craven himself think, but that's not what the investigation finds. Clue after clue and witness after witness, the search leads him into a shadowy realm where money and political intrigue intersect. If Craven wasn't a target before, he, and anyone linked to his inquiry, now is.

Uptight FBI Special Agent Sarah Ashburn and foul-mouthed Boston cop Shannon Mullins couldn't be more incompatible. But when they join forces to bring down a ruthless drug lord, they become the last thing anyone expected: buddies.

In South Boston, the Massachusetts State Police are waging a war on Irish-American organized crime. Undercover cop Billy Costigan is assigned to infiltrate the mob syndicate, which is run by gangland chief Frank Costello. Billy quickly gains Costello's confidence. Colin Sullivan is a hardened young criminal who has infiltrated the police department as an informer for the syndicate. Colin is rising to a position of power within the Special Investigation...