A Chinese diplomat who is a friend of Walker's is in the country to bring some students to his country. Later when one of Chinese Embassy staff turns up dead Walker and the others investigate. Gage has a run in with the diplomat's son and because his father is a diplomat has diplomatic immunity. Gage is not pleased and thinks they should keep an eye on him. They later learn that the staff member may have been involved with drug smuggling. And that the diplomat's son is the one behind but because of his diplomatic immunity they can't touch him.