Soon-kyu, caught sight of a UFO. To find the UFO, they leave for a so-called "UFO mountain." 3 days later, they come back and insist they"ve contacted aliens the last night except Soon-kyu who #999999ed out due to overdrinking. After hearing that Ji-hyun"s missing, Soon-kyu leaves for the mountain again to answer his own question - the UFO, aliens and Ji-hyun.
| Actor | Role |
|---|---|
 Lee Ju-seungJung Soon-kyu | Jung Soon-kyu |
 Jung Young-kiKim Gwang-nam | Kim Gwang-nam |
 Kim Chang-hwanJoo Ki-bbeum | Joo Ki-bbeum |
 Ji Sang-hyukKim Jin-woo | Kim Jin-woo |