Happily Ever After (1960)

Jin Wenou falls out with his business-minded father when he decides on painting instead of studying business. Mary, his fiancée, finances him to get his own studio. One day his dying father wishes to see Mary. Unable to contact her, Wenou gets Wanping to stand in. Wenou's father miraculously recovers upon seeing Wanping. He is infuriated when Wenou tells him that his fiancée is actually Mary and declares Wanping as the only heiress to his fortune.