Norbit has never had it easy. As a baby, he was abandoned on the steps of a Chinese restaurant/orphanage and raised by Mr. Wong. Things get worse when he's forced into marriage by the mean, junk food-chugging queen, Rasputia. Just when Norbit's hanging by his last thread, his childhood sweetheart, Kate, moves back to town.

Mild-mannered Norbit gets a second chance at love with his childhood sweetheart, Kate. But there's one obstacle: jealous, mean-tempered Rasputia, who wants Norbit all to her sizeable self.