World War II: a cholera epidemic ravages the streets of Beijing. A crack team of Chinese intelligence agents kidnap a Japanese general and biochemist who may hold the antidote. When trickery and torture fail, the covert squad smuggles their victims into a restaurant and launches the oddest of interrogations – staging a Chinese Opera and posing as fellow guests, designed to entice, confuse, and ultimately trick their captives into revealing the truth before time runs out.