After being fired from his detective job after a case gone wrong, the world's most famous investigator, Inspector Sun, boards a luxury plane from Shanghai to San Francisco for his next job, a very secret mission. Shortly after departure, a murder takes place and the killer - or two, or three - are still onboard. As the passengers, assorted bugs and beasts, are wined and dined, also on board is Inspector Sun's foe, the Red Locust. A web of intrigue will follow for our famous spider detective!