FBI agent Malcolm Turner is a master of disguise who goes undercover as a southern granny, Big Momma, to catch a bank robber. He poses as the cantankerous granny, adopting her daily routine and even delivering babies. As he gets closer to the suspect, he falls for the suspect's ex-girlfriend, Sherry, who may be hiding stolen cash.

Big Momma's House
In this thriller, a skilled FBI agent assumes a new identity to safeguard a defenseless mother and her young child from a menacing outsider, as they navigate a precarious situation.