Goodbye Mother (2019)

Van, the heir of a Vietnamese clan, returns home from the US the first time in 9 years for the move of his father's tomb. The whole family is surprised to find him with a young Vietnamese-American, Ian; he's Van's boyfriend and they plan to come out to Van's widowed mother, Mrs. Hanh, who had expected him to get married and have kids to fulfill his duties as a heir. Then his grandmother, who has senile dementia, mistakes Ian for her grandson. While looking for the perfect occasion to come out, Van discovers that Mrs. Hanh in seriously ill.