Abyss had so much potential with that all stars cast and the fantasy story. However, the drama got quickly boring and messy.

The drama had a nice dynamics between the two leads. They were funny and cute together. However, the romance took forever to progress and the ending was terrible. The mystery part was good at first as well, but it got complicated and messy. Plus, the fantasy part was not properly presented or explained.

At least, the performances were good, as expected, from everyone in the cast and the pacing interesting.

So, five out of ten.