Steve is sent to Stockholm, Sweden, to investigate a group of European professors who go conduct worldwide lecture tours. One of them is thought to be a foreign agent carrying secrets back.
The Commissioner ships Special Agent Steve Mitchell off to the Swiss Alps to recover a document that proves the death of a foreign leader was no accident.
Steve is sent to India to meet with a man named Guda regarding Carter who was possibly framed for stirring up a revolt.
Steve hops on a French train to protect the head of an American plastics corporation who's traveling to a foreign conference. He finds the industrialist shot dead.