Hansjörg Felmy

An American scientist publicly defects to East Germany as part of a cloak and dagger mission to steal a formula before planning an escape back to the West.

An Australian woman arrives in London to search for her sister, and finds her involved with a heroin-smuggling gang that is under attack from an unknown rival who is methodically assassinating them with a shot to the head.

A group of vigilantes hang wrong-doers.

A thoroughbred is highly favored to win an important upcoming race, and several people connected to the horse begin to fall victim to a mysterious assailant. Meanwhile, an equine veterinarian is blackmailed to compromise the horse.