A dying merman asks a friend to give his remains to his daughter, hiding amongst the humans. Tasked with this dangerous journey, the merman secretly heads to the land of humans. He is chased by a new civil servant recruit fueled by curiosity and hatred.

Si-won has worked hard and diligently to raise his popularity in college after being a victim of childhood bullying. But will he lose his composure once he meets Da-woon, who was born with the popularity Si-won has worked so hard to attain?

A creature born in an abandoned mattress travels around the country feasting on its victims’ vertebrae, struggling to break free from the bed, the mold, and its past.