"A ruthless Chinese crime syndicate has infiltrated Las Vegas. Heroin is on the rise in Sin City. So is murder. Sounds like a job for a trumpet player.
Las Vegas, 1965. Hot off the heels of his last adventure, Trip Callaway .. has reluctantly agreed to go undercover and do some light spying for the government—light spying, as in report on who’s hobnobbing with whom in the casinos along The Strip. But when Trip is asked to pose as a trumpet teacher to the thirteen-year-old step-son of a notorious crime boss, he quickly realizes he’s agreed to more than he bargained for."