After his family fell into misfortune, young Ryder was exiled to the border between human and demon realms and awakened the power of Holy Armor after ten‑year hard trials. When monstrous forces invade human cities, he reunites with his childhood beloved Viola. Torn between his family’s long‑standing injustice and the duty to protect innocent people, Ryder stands up against formidable other‑world threats amid dark conspiracies. He lets go of personal grievances, uncovers buried truths, grows through love and destiny, safeguards countless lives and finds his true place.