The journey undertaken by Sisi, one of the six adopted Deplecy sisters, in an attempt to find her true roots, is a new unpredictable adventure, another detail in the mystery of the Seven Sisters. Sisi is an introverted girl who, among other things, looks noticeably different from the rest of the sisters. Who is she? What are her unusual facial features? What blood flows in her veins? And what kind of subconscious craving does she have for art? After studying for several months at the London Academy of Arts, Sisi quits her studies, realizing that she would not belong in the world of European bohemia. This means it’s time to go in search of a new world. The one to whom she belongs by birthright. Cece, like her sisters, will follow the clues of her beloved adoptive father Pa Salt. But Pa Salt’s mysteries have never taken anyone this far.