The Secret Light, Part 2
- Episode aired Aug 21, 2010
![Joseon X-Files - Secret Book (2010)](https://m.media-amazon.com/images/M/MV5BM2VlZmIyMjAtOTAwZi00ZGUzLTk2MGItMTUzYjM2NjMyM2JhXkEyXkFqcGdeQXVyMzE4MDkyNTA@._V1_QL75_UY281_CR2,0,190,281_.jpg)
Hyung Do enlists the mysterious Yoon Yi's help in fabricating an explanation for the lights in the sky.Hyung Do enlists the mysterious Yoon Yi's help in fabricating an explanation for the lights in the sky.Hyung Do enlists the mysterious Yoon Yi's help in fabricating an explanation for the lights in the sky.