Pink snake demon Faye is caught by demon hunter Selene Shaw. A Soul-Tracking Mark arouses Selene's compassion; they form a bond. Faye possesses Jade Bones, key to unsealing the Demon-Sealing Tower. Selene protects Faye. Crystal Grant frames Selene. Crystal becomes a Demonic Calamity, intending to use Faye's Jade Bones to open the Tower. Selene and Faye overcome the crisis.