Enough (2002)

Slim, played by Jennifer Lopez, is a struggling waitress who meets the guy of her dreams one day at work, and they get married. Five years and one adorable daughter later in the marriage, Slim finds out that Mitch (her husband) is sleeping around on her. When she confronts him about it, he beats her. She spends the rest of the movie trying desperately to get away from him, while he follows her everywhere she tries to hide, and almost kills her and her daughter several times