"Guadalajara is a good place to disappear", declares the detective Marzo Michel before starting with his new case: find the painting of an important plastic artist of the city disappeared in strange circumstances. In his search through a gray and labyrinthine tapatia city he will meet Mandragora, a mysterious woman with sudden impulses, and therefore doubly dangerous. Eugenio Partida begins with this book a saga in noir tone where, in addition to showing once again its great narrative capacity, it does not stop making ironic winks to the genre.