Really cool to understand real legends and places that is legit in the real world.
In every legend, Pun Do La always see things differently and how she remembers every legend in different versions and explains it on the way. She always magnify what the person's true identity and hidden agenda. With the help from Zi Bok and Yik Sir, they solve case by case using the scientific explanation. 
They only covered 11 legends in total, of which, majority are film in the same set/location. If you google, the legends will appear in your search. Through this drama, you will find out more about the different versions and the agenda to it.