Magical, original, and fast-paced like a movie. The famous alchemist Nicholas Flamel and the twins Josh and Sophie have landed in London, the city of their fiercest enemies. Everything now depends on whether Josh and Sophie can be trained in the third magical power of water magic. The only one who can teach them lives in London, but he is completely unpredictable: it is Gilgamesh, the ancient king, torn by madness. And the friends must try to reunite their powers with the magic of the sorceress, with the magical abilities of Flamel's beloved Perenelle!.