The Secret Service Agent's Memories (Russian: Записки экспедитора Тайной канцелярии, romanized: Zapiski ekspeditora Taynoy kantselyarii) is a Russian historical television series based on the novel by Oleg Ryaskov, who is also the director.

A messenger of the Order of Masons visits Prince Menshikov with a plan to marry the heir to the throne to the daughter of a gray cardinal.

He receives the task, which, having shown ingenuity and courage, performs brilliantly.

After that, the head of the Secret Chancellery Andrei Ushakov [ru] draws attention to the resourceful officer and, thanks to a deft intrigue, forces him to enter the service of his department.

Now Ivan can expect dizzying adventures: hunting for a serial killer, investigating the death of an elderly nobleman in a house of tolerance, trying to figure out the intrigues of the ancestor of evil, etc.