The story centers on Shiloh, a young man living near the city of Domina. One day, during his sleep, a mysterious voice gives him an important mission to carry out alongside Elazul and Pearl, two survivors of the Jumi people, whose tears are said to have the power to heal others. In addition, the Jumis also have the particularity of having a precious stone in place of the heart, which has long caused them to be hunted by jewel seekers... Will Shiloh manage to fulfill his destiny?