Paris, 2007 Anah?, 23 year old girl, is set for a year to make herself known as a painter. It occupies her free time in the museums of the capital and Metal concerts. During one of her outings, she meets the musicians of Katacombes who initiate the discovery of underground Paris … But for Anah?, something goes wrong in the first installment. A mysterious event occurs in the catacombs and a member of the group disappears … The next day, the fear reigns within the adventurers who do not remember anything, and are forced to note the absence of their companion. Anah? then decides to start looking alone for the missing man …