Victor Sebastian goes to Switzerland to try to obtain a manuscript from a former agent who has written about his past intelligence work, for several countries, and intends to publish it. But other people are after the manuscript too.
Sebastian goes to Mexico to buy a list of names of opponents of the Communist regime who still live behind the Iron Curtain and might be willing to help the US. But he is double crossed and the list's owner takes off with the money.
Victor Sebastian acts as a double agent when he investigates a leak of confidential information for the Russian Communist Party, which has a spy network in America. The person who is the source of the leak proves to be keen to defect.
Sabine meets an old male friend. He is secretly selling confidential American State documents to a foreign country. He is still in love with her and wants to include her in his plans for a comfortable exile in South America.
Victor Sebastian goes after a spy who offers to get defectors out of their country for a price but then betrays them to the authorities after taking their money.
The wreck of a US plane that was used to supply partisans during World War II is found in a remote area of Yugoslavia. Few people know it was carrying gold. The US government wants its gold back and Sebastian has to try to recover it.
