To take down South Boston's Irish Mafia, the police send in one of their own to infiltrate the underworld, not realizing the syndicate has done likewise. While an undercover cop curries favor with the mob kingpin, a career criminal rises through the police ranks. But both sides soon discover there's a mole among them.
On his way to work, a bank manager receives an anonymous call claiming there's a bomb under his car seat, and if anyone exits the car, it will explode unless he can pay a ransom.
Three high school students that are under pressure from their parents to get into good colleges convince a shy but very smart girl to take the College Entrance Test for them.