In a city where blood is the only currency, Kaelen survives by selling his life force to fuel the immortality of the elite. After discovering his mother’s secret legacy and a brother held captive as a living filter, he infiltrates the Gilded Spire to reclaim his lineage. His unique 99-Red mutation becomes a lethal weapon, accidentally sparking a biological plague that threatens to consume both the high-rise towers and the underground rebels. Now, Kaelen must navigate a crumbling social order to protect his brother and redefine the value of a single drop of life.
