A smart teenager Adam Cisowski is asked by his teacher to help him solve the mysterious case of robbed house doors in his mansion.

Satan from the Seventh Grade

A young lady from a good home, full of life, wins the hearts of the greatest gloomy people and turns people into people open to the world. He infects everyone with kindness and optimism, even when misfortunes fall on the family. Resolute and resourceful, she takes matters into her own hands, but will fate be favorable to her and happiness will smile at her?