'Ye have been summoned'
Korea's special forces Captain 'Rough San' and female officer 'Kim Biyeon',
Suddenly encountered a training accident resulting in their fall
In the morning, the two people saw an unfamiliar view spread before them
"First we must survive!"
"We've arrived here, but there may be a way to return."
"We must never forget those that we must protect."
The desperate survival of a man and a woman in an unfamiliar world spread out before them!
