The Prisoner of Zenda C19 - Rupert Hentzau also Makes a Plan

Chapter 19 - Rupert Hentzau also Makes a Plan

After that, Rudolf rides ahead to Zenda Castle. He swims to the bridge and hides in the shadow of the pipe in the moat. He waits for the rest to come at the appointed time' A window opens and he sees Antoinette and Rupert arguing. Rupert tells her that after he kills Rudolf, the Duke will give her to him.
Later, Rudolf realizes that Rupert quietly gets into the moat and swims towards the New Castle. He is up to something. Rudolf wants to kill him but he has to wait for Johann to open the castle door.