It's been two hundred and five days since Henry has had peace. That's because it's been two hundred and five days since Marvin has come to live with him. Marvin, who loves to talk in the tunnels, talk while they're eating, talk while they're running. Marvin, who drives Henry up the cage walls. But when Henry finally loses his cool and gets exactly what he wanted, both hamsters have to figure out a way to live together and work through their communication mishaps.