Tightly clutching his Gibson guitar, Mafuyu Satou steps out of his dark apartment to begin another day of his high school life. While taking a nap in a quiet spot on the gymnasium staircase, he has a chance encounter with fellow student Ritsuka Uenoyama, who berates him for letting his guitar's strings rust and break. Noticing Uenoyama's knowledge of the instrument, Satou pleads for him to fix it and to teach him how to play. Uenoyama eventually agrees and invites him to sit in on a jam session with his two band mates: bassist Haruki Nakayama and drummer Akihiko Kaji.

The further life of the protagonist Caterina Schöllack and her three daughters will be traced, who fight in the restrictive period of the 1950s for emancipation and the realization of their own dreams. Monika, Helga and Eva have grown up and each seeks their way to find their way in the rigid society of the late 1950s. Monika and Freddy have a career in show business, and mother Caterina acts as a manager. Meanwhile, Helga works hard to be the perfect housewife and mother for Monika's daughter Dorli. Eva, however, quarrels with her life as a professor's wife.

Solomon fights the harmful use of witchcraft using a database of witches, which includes those who have obtained the power of witchcraft through genetics and others who carry the gene in order to arrest or eliminate them should their powers "awaken". The series focuses on one STN-J member, Robin Sena.