More than twenty years ago, a bright light flashed across the sky one night. After the bright light, a huge crater appeared in the vast open space. After the billowing smoke passed, a very embarrassed figure walked out from inside.
The spacecraft he was traveling on was damaged. The alien who accidentally wandered to the earth wanted to repair the spacecraft and go back, but the earth's technology was unable to do this. He had no choice but to survive on the earth and think about his own escape plan.