Norbit (2007) on Netflix

In 1967, the orphan Norbit was abandoned by his parents when he was a baby. He was raised by the owner of the orphanage Mr. Wong, and becomes a great friend of the also orphan Kate. When Kate is adopted, Norbit feels lonely but is protected by the fat and big Rasputia. They grow up, Rasputia becomes a monstrous woman and they get married. When Kate returns to her hometown decided to buy Mr. Wong's orphanage, Norbit recalls his good moments and falls in love for her. But Rasputia, her gangster brothers and Kate's fiancé Deion Hughes have other intentions with the orphanage.