Three Asian directors, from Hong Kong, Korea, and Japan, join forces to create an omnibus horror film, Three…Extremes. In Fruit Chan’s “Dumplings,” shot by Christopher Doyle, Mrs. Li (Miriam Yeung), a thirtysomething former actress with a philandering husband (Tony Leung) goes to visit Aunt Mei (Bai Ling), who sells the most expensive dumplings in Hong Kong.