In a world where life is governed by good and evil, an ordinary man runs a small consultancy helping households hire staff. He is innocent, trusting, and afraid of the dark. One day, he unknowingly facilitates a cruel betrayal: a son sells his elderly parents as servants for money. Consumed by guilt, the man retreats to a lonely hill, where his shadow separates from him, revealing itself as a part of his soul destined to fight evil. Together, they save a girl from gangsters, marking the birth of