
Cole Carter asks wife Sharon Miller to care for his mother, Liu Guiying. Sharon abuses Liu Guiying, withholding food. Cole suspects abuse after neighbor's reminder. He overhears Sharon's threats, confronts her. Sharon exploits Liu Guiying's memory loss, conspires with Jim Warren for money, documents. Cole learns truth via police, stops Sharon. Police arrest Sharon, Jim Warren. Cole uses a drawing to restore mother's memory; she calls 'Son'.