Mr. Moto in Danger Island (1939)
In Puerto Rico to investigate a glut of contraband diamonds that are flooding the world's jewel market, Mr. Moto and his sidekick, a wrestler, find themselves involved in murders by thrown daggers, the frame-up of an overstressed Army colonel, and a pirate gang led by an unknown boss who has inside knowledge of the ensuing investigation. rescue, puerto rico, murder, shootout, whodunit, dagger, private detective, black stereotype, framed for murder, red herring, knife murder, intelligence agent, outlaw gang, japanese man, police department, army colonel, abduction, diamond smugglers, swamp hideout, colonial governor, feigned illness, launch pursuit, asian man, pro wrestlers