It's Spirit Week at Abigail Adams Junior High, but the IM gossip chain has gotten way out of control, and poor Isabel is the target! Mean messages and whispering classmates are popping up all over -- and of course, the Queens of Mean are in the thick of it. Everybody claims to be "just kidding," but it's not funny at all. Can the BSG stop the Whisperers and rally for a new kind of Spirit Week?