aquila dominus, the origin

It's a bright sunny day in Paris, in the year 2000. Nathalie and Damien are twins and orphans. Despite a happy childhood, they are in search of their identity like most orphans. They do everything possible to meet their father. But it's not going to be easy, far from it because this man doesn't have a past. While they are looking for their father, they'll come across many impediments. A mysterious man with a mysterious past. What is this man hiding ? Why is he running away from his children ? Is this their real father? What does he want from them? The twins will be confronted with a terrible destiny. Are the twins going to regret their quest?