Elf

Tae-In, an amusement park manager, is visited by a strange guest, Jessol, who calls himself an “elf." He asks for his father's belongings and steals her necklace. At that moment, unknown people kidnap (?) Tae-In.They say that Tae-In is an "elf," an ethnic minority in Korea, and that she is a descendant of Kangsan, who is worshiped like a god among the elves. They ask Tae-in to help the "elves" migrate to Korea...

(Source: Naver, translated)