The engineer Rosalie leads a life without standing still. She doesn't feel old for a long time, only mature. When Rosalie returns to Germany after a fainting spell at a solar project in Africa, it's just supposed to be a breather. When she shows up at her bourgeois sister Margret's with a huge container, she is not very enthusiastic about the surprise visit. The retired teacher sees right through that Rosalie isn't staying with her voluntarily. The well-travelled woman is broke! It seems like a miracle that there are a huge chunk of banknotes in a hole in the wall of the room. On the other side of the wall there is the room of the highly talented high school graduate Karla, who rents a part of Margret's house with her father Harald. After a failed first meeting, Rosalie befriends with the wheelchair-bound teenager and sets her mind on getting Karla out of her sheltered isolation, even against her will.
Rompiendo el concepto patriarcal de que un verdadero dúo criminal requiere un hombre, Bonnie y Bonnie muestra el desarrollo de la verdadera amistad entre dos mujeres fuertes e independientes, decididas a dejar su huella en el mundo.
En una excursión del colegio, Mia y su compañero de clase Benny van de visita a la casa de campo de la familia Gruber. Allí investigarán un misterioso hechizo. Y es que, el ganado de los Gruber está enfermando, el agua del pozo se vuelve negra, el granero se incendia y además en la casa han aparecido misteriosos símbolos de brujería. ¿Qué estará pasando? ¿Será el malvado espíritu de la montaña o tal vez alguien está tratando de llevar a los Guber a la ruina? Juntos lo descubrirán.