Undercover Agent Malcolm Turner is back and this time he's out to expose the suspected designer of a deadly computer "worm" that would allow outside forces access to sophistical and critical government intelligence files. But unfortunately, the only way the crafty agent can get next to the worm's creator, Tom Fuller, is to access the programmer's Orange County home as the new "nanny" to Fuller and his wife Leah's children: toddler Andrew and his two older sisters, Carrie and Molly. This means that Malcolm must once again rely on his sure-fire alter ego, the take-no-prisoners Hattie Mae Pierce, a.k.a. "Big Momma," to bring down the bad guys and prove that a woman's work is never done! But once undercover, the job proves another tough juggling act for Big Momma as "she" must manage the hectic lives of the three Fuller kids, keep up with their myriad of daily activities...

Samantha Caine, suburban homemaker, is the ideal mom to her 8 year old daughter Caitlin. She lives in Honesdale, PA, has a job teaching school and makes the best Rice Krispie treats in town. But when she receives a bump on her head, she begins to remember small parts of her previous life as a lethal, top-secret agent. Her old chums in the Chapter are now out to kill her so she enlists the help of a cheap detective named Mitch. As Samantha remembers more and more of her previous life, she becomes deadlier and more resourceful. Both Mitch and Charly proceed to do the killing thing, the bleeding thing and the shooting thing.

In a daring robbery, some $300,000 is taken from the Italian mob. Several mafiosi are killed, as are two policemen. Lt. Pope and Mattelli are two New York City cops trying to break the case. Three small-time criminals are on the run with the money. Will the mafia catch them first, or will the police?

When a scientist discovers the possibility of the meaning of life, two shadowy organizations learn of this and will stop at nothing to steal the scientist's work for themselves. As a result, two burned-out assassins named Puritan and Sultan are assigned to protect the scientist and keep his project from falling into the wrong hands.

Trinh, a mercenary, must complete a series of organized crime jobs for her boss in order to win the release of her kidnapped daughter. She hires several mercenaries to help, including Quan, who she becomes attracted to. Trinh and Quan's relationship becomes complicated as it becomes evident that their motivations are not the same.

Thai government hires group of Chinese mercenaries to capture powerful druglord from Golden Triangle. The mercenaries manage to capture the druglord, but his men are trying to set him free.