Yamay 2, the horseman of the apocalypse

Natan is really mad at Hannah, because he thinks she betrayed him. On the other hand, the young girl is blackmailed by King Rion and she cannot say anything to his friend, because it is a matter of life and death. They are going to face very dangerous situations. Who is the mysterious Soroboruo? Why did he send them to Yamay and what does he want from them? What terrifying secret does King Rion try to find out? A secret that keeps him from cutting the threads of life of those people he has been holding captive for many years… Natan and Hannah, each on their own, will have to trust the Horseman of the Apocalypse to lead them to a strange people, guardian of a dreadful weapon.