A defector in old Hong Kong claims the attention of Robinson & Scott.

One of their own has joined the adverse party, so Scott & Robinson are sent to Hong Kong after him.

A businessman in Hong Kong owes the IRS; Robinson & Scott carry the loot.

A French spy hampers the search for missing files.

A murder happens in front of them, and Robinson & Scott must investigate a mysterious organization.

A nightclub singer is a pawn between drug smugglers (who have kidnapped Scott) and the pair.

A bodyguard assignment for a very unpleasant sort of fellow.

An agent is killed, the microfilm is missing, his girlfriend is threatened.

A prisoner exchange requires a search for a double agent.

Vietnam has not seen three agents assigned there, and Scott suspects Robinson's girlfriend.

A Tokyo seminar on obesity is threatened with a new form of Chinese plague.

Missing microfilm must be paid for or Scott will be killed, but where to get the shekels?

An anti-American group in Japan menaces the last of the aristocracy.

An American schoolteacher, an ancient walled city, a missing train and a valuable cargo lost in China.

A definitive mission to Vietnam in order to rescue the daughter of a physician.

Russian defector for American girl: good business or not?

A womanizing American hampers efforts to protect a Japanese economic conference from Communist sabotage.

A Zulu (Oxon.) who trades diamonds for revenge, a gangster dominating a small village, and radioactive isotopes.

Who is kidnapping the great agronomists in Mexico City?

They bet each other a dollar that one can evade the other for a week, but he's been contaminated with anthrax and must be found in 24 hours.

An exiled South American dictator has plans, or has he, really?

A redoubtable Embassy figure in Mexico deals them a turn.

Quetzalcoatl has appeared in the Mexican jungle, or is it an AWOL cosmonaut pursued by his old comrades?

Infiltrate a revolutionary South American group, with Hollywood connections, that's the assignment.

Bodyguard work for a VIP's daughter. She buys an objet d'art, and hell ensues.

Robinson is brainwashed to kill Scott, whose orders are to kill Robinson.

Gold fever among old friends in the jungles of Mexico.