In the futuristic year 203X, Earth faces a dire threat from extraterrestrial forces. Park Hyunsung, a brave militia leader, sacrifices himself to destroy the alien stronghold. However, a twist of fate sends him hurtling through a malfunctioning teleporter, awakening in the body of Ian Alberon, a young aristocrat. Now trapped in a realm teeming with mystical creatures and enchantments, Hyunsung, now known as Ian, must adapt to this fantastical world. As he grapples with his new identity, he soon realizes that his foes may be lurking closer than he ever imagined...