Polyora is back. The lives of billions of people are in danger once again. The only hope lies in Promise, a city in which the antidote is rumored to exist.
Nea embarks on an uncertain journey. She is accompanied by the mysterious Arras, who remains silent about his past. Only when Nea achieves her goal does a truth reveal itself that is more terrible than anything she could ever imagine. Not only her future, but the future of humanity is at stake. If Nea has learned one thing, it's that there is always hope as long as you don't stop fighting for what you love.
A thrilling and heroic tale in a world devastated by disease.