Catfish in Black Bean Sauce is a 1999 comedydrama film about a Vietnamese brother and sister raised by an African American couple. The film stars Chi Muoi Lo, Paul Winfield, Sanaa Lathan, and Mary Alice.
On the way over, Dwayne fails to stop for a stop sign and is pulled over by a cop who asks him to step out of the car. He spots the ring and tells Dwayne that Nina is way out of his league and to enjoy it while it lasts. This makes Dwayne question himself and his relationship with Nina. At the barbecue, the family has a debate over the difference between saying this Saturday and next Saturday. Dwayne, having had enough of the debate, proposes to Nina offhandedly. She says yes just as Mai Lauren Tom walks in. Mai lets the family in on a some news shes located their birth mother, Thanh, and shes flying her to LA. Dolores takes the news hard and worries shell be replaced, running off to the bathroom as Nina follows behind. Harold is more optimistic, and Dwayne pretends to be indifferent.There is a brief flashback to when Mai was young and she yells at Dolores saying youre not my mother and runs to hug Harold. This particular scene makes it obvious that Mai and Dolores have never quite learned to get along. At the airport, Mai cries when she sees her mother, while Dwayne has no reaction. As they all sit down for a family dinner it is clear Dolores feels like she is being replaced. As everyone goes to leave, Thanh demands to go with DwayneSap despite the extensive preparations Mai has made for her at her house. ........
Source: Wikipedia