Arthur Dupont was an ( almost ) ordinary boy. Until the day the war broke out. An unprecedented war that changed his life and that of his parents. Following the terrible events of September 11 in Europe, Mrs. Dupont, an internationally renowned researcher, lost control of her life, was forced to flee her country for her own safety and that of her son. This war led him to exile on the ruins of what was once the city of Washington, D. C. The dome has become a symbol of resistance, struggle and hope for the world. The Pegasus station is now the last place in the world that has withstood the ravages of war. Madame Dupont and her son will both have to adapt to their new life and the demands of the dome. But what is the mystery surrounding Madame Smith's famous invention?" would "l' aliénor" end this war? Would this invention of last chance have anything to do with the mysterious events that have recently intrigued the dome?