The evil Mr. Curtain is broadcasting subliminal messages using his fiendish machine, the Whisperer. Undetected, they enter the minds of people all over the world. The eccentric Mr. Benedict forms a team of resourceful children whose love of the truth enables them to resist the influence of the messages. By relying on each others' gifts and Mr. Benedict's wisdom, they must enroll in Mr. Curtain's institute and foil his plot before it's too late.