Ellis, a young girl accused of killing renowned physicist Heinrich Schneider, evades an underground organization known as the Hunters. In a small Mexican town she is tracked down by the bounty hunter Nadie, who, instead of handing her over, impulsively offers her help. The two girls then set out together toward Ellis’s hometown to uncover clues about her past. From there, they travel south in search of the mysterious Inca Rose gemstone, the legendary Eternal City of Wiñay Marka, and the hidden destiny that awaits Ellis.