Concert

You ask the rat to elaborate. 

"I am a member of the organized Revolution against the Rat King. We seek to liberate this city from his tyrannous reign."

He leans in even closer to you.

"Listen, this is dangerous talk. If you truly are interested in the revolution, there's a bar just south of the Chinchilla War Memorial called the Squeakeasy. Cheesy name, I know. That's where our hideout is. Tell them Ed Hamster sent you."