"You're asking where such a little slob suddenly came from and what he's doing in the big bear city? I'll tell you about that too, for now let's agree that I'm here, brumm, brumm."

In the first volume of the series, Brumi is introduced, who, like Winnie the Pooh, quickly became the children's favorite. During his exciting journey and adventures, he discovers Mackóváros, and we get to know his family and friends.