Tired of the crime overrunning the streets of Boston, Irish Catholic twin brothers Conner (Sean Patrick Flanery) and Murphy (Norman Reedus) are inspired by their faith to cleanse their hometown of evil with their own brand of zealous vigilante justice. As they hunt down and kill one notorious gangster after another, they become controversial folk heroes in the community. But Paul Smecker (Willem Dafoe), an eccentric FBI agent, is fast closing in on their blood-soaked trail.
In this action-comedy, unusual circumstances find big, brawny cop John Kimble (Arnold Schwarzenegger) posing as a kindergarten teacher in order to apprehend major drug lord Cullen Crisp (Richard Tyson), as well as his ruthless accomplice and mother, Eleanor (Carroll Baker). While pretending to be a kid-friendly instructor, Kimble falls for pretty fellow teacher Joyce Palmieri (Penelope Ann Miller) as he battles both unruly children and dangerous bad guys.
Miami-Dade detectives Mike Lowrey (Will Smith) and Marcus Burnett (Martin Lawrence) blow a fuse when $100 million worth of heroin they recently confiscated is heisted from station headquarters. Suspecting it was an inside job, Internal Affairs gives them five days to track down the drugs before they shut down the narcotics division. Action meets farce when Marcus is compelled to masquerade as his partner in order to gain the trust of a call girl (Tea Leoni), a key witness in their investigation.
Johnny Utah (Keanu Reeves) is a Special Agent for the F.B.I. Utah gets partnered with Angelo Pappas (Gary Busey), an experienced Agent, who is more than committed to his work. The two are asked to investigate the number of robberies committed by a group called The Ex-Presidents, who wear masks of former Presidents Reagan, Nixon, Carter, and Johnson for their robberies. Pappas has a theory that The Ex-Presidents are a group of surfers and asks for Utah to go undercover as a surfer.
Workaholic Howard Langston (Arnold Schwarzenegger) wants to make things up to his son, Jamie (Jake Lloyd), and wife, Liz (Rita Wilson). He promises to get Jamie the hottest toy of the season, Turbo-Man — even though it’s Christmas Eve and the toy is practically sold out. As Langston hunts down the elusive gift, he runs into mailman Myron (Sinbad), another father on the same quest. With the clock winding down, Langston’s moral code is tested as he starts to learn the real meaning of Christmas.
Once a first-rate Secret Service agent, Joe Hallenbeck (Bruce Willis) is now a gruff private investigator whose latest gig is protecting a pole dancer (Halle Berry). When she’s murdered, he grudgingly teams up with her boyfriend, Jimmy Dix (Damon Wayans), an ex-quarterback with a gambling problem, and the two go after her killers. Before long, they stumble onto a plot by a well-known football magnate (Noble Willingham) to bribe federal legislators into legalizing sports gambling.