Professor Yang, a respected teacher of literature, has had a stroke and it falls to jian wan - who is also engaged To Yang's daughter - to care for him. It initially seems a simple duty until the professor begins to rave...Professor Yang, a respected teacher of literature, has had a stroke and it falls to jian wan - who is also engaged To Yang's daughter - to care for him. It initially seems a simple duty until the professor begins to rave, pleading with invisible tormentors and denouncing his family.