False Accusation Episode

There is an episode of the series that I remember, but cannot find in the episode guide. I am hoping based on a description, someone can tell me which episode it was. The plot was that men from the village were hiding food in a cave (I could be wrong about the hiding place) from an official, either the sherrif or the tax collector. The secret stash is found, and the men start accusing each other, determined to find out who revealed the location. They almost kill the man they think is responsible, but Robin steps in at the last second and reveals that there was a secret passage from the cave that lead to the castle. Guards knew about the location, because they were on the other side of the wall. I think the phrase "whispering walls" was used. Thanks to anyone who can help.


"Forget reality, give me a picture"-Remington Steele