Summary
Desperate for funds to pay his younger sibling’s medical expenses, Lee Do-jin answers a mysterious call from an ominous business card. He meets a silver-haired Chasa—a grim reaper—who offers him a contract job with the Underworld. Tasked with hunting Mokdugi, soul-devouring creatures that prey on the sinful, Do-jin must prevent chaos from consuming the damned. Now balancing his human life with his new role, he navigates a world of spiritual conflict, debt, and death, walking the thin line between two realms.