She met the perfect man. Then she met his mother. After years of looking for Mr Right Charlotte 'Charlie' Cantilini (Jennifer Lopez) finally finds the man of her dreams (Michael Vartan) only to discover that his mother Viola (Jane Fonda) is the mother-in-law from hell! A recently fired national news anchor who is afraid she'll lose her son the same way she lost her career Viola is determined to scare-off her son's new fiance by becoming the world's worst mother-in-law.