Faced with complaints and an accident, Lee Hong-jo investigates an ominous temple, coming up against the mysterious — and cursed — Jang Sin-yu.

Now in possession of the enigmatic box, Hong-jo finds that opening it is not as easy as it seems. Sin-yu later asks Hong-jo for a favor.

Desperate for love, Hong-jo wonders if her spell was a success. Sin-yu later brings Hong-jo along on a trip for a spell of his own.