If you look at the drama as a whole package. I think it was good. The VFX , action sequences and the Sci-Fi elements are chef's kiss. But the story never got me going from the start till the very end. And that made me a bit disappointed since netflix kdramas that are airing on a single day have been delivering in the past. But the same could not be said about the same for this drama.

Our team of deliveryman were cool. They were like Batman in the gotham city. They were too overwhelming for the villains. They were Superman with no super power to be exact.

The concept of the drama was great. But you just want the drama to just end. Acting was good from the cast. But nobody left a lasting impression in this drama. Even though the cast is pretty good. The story couldn’t get the best from them. Still it is not a bad watch considering you love this genre or don't have anything else to watch.