The mastery of Shadow Skill is essential in a realm of fighters to safeguard their survival. Cau Ban, an ambitious lad yearning to emulate the unbeatable warrior Scar Face, renowned for defeating more than 2,000 enemies, works tirelessly with his elder adoptive sister, Elle, who has achieved perfection in this combat technique. Unfortunately, their aspirations are obfuscated by the arrival of a band of invaders who launch a fatal assault on the fortress to purloin an enigmatic chest.