
Yoonjae lives in an old villa and on his way out one day, he accidentally falls on some boxes in the...
Yoonjae accidentally falls on some boxes of the new tenant Beomjin. That's where the bell-spirit entwines itself on Yoonjae's wrist causes him seeing scary spirits..
Beomjin realizes it a few days later and tries to retrieve it back but fails. So he suggests Yoonjae to help him with his "job" until he finds a way.