Introduction

Soon-kyu, a high school boy, leaves for the so-called “UFO Mountain” with his classmates to find a UFO. What will they encounter on the mountain?

Synopsis

Soon-kyu, a high school boy, sees a UFO by chance with his classmates. To find it, they set off for the so-called "UFO Mountain." When they get there, they meet a girl named Ji-hyun who tells them to leave, but they keep on going. They come back three days later and insist they have contacted aliens on their last night, except Soon-kyu who blacked out due to drinking too much. After hearing that Ji-hyun is missing, he leaves for the mountain again to answer his own questions about the UFO, aliens, and Ji-hyun.