The DMZ is a tense border that must be constantly watched. There are soldiers guarding this treacherous border where danger lurks everywhere. The film crew meets the young soldiers of a special army unit that guards this border 365 days a year for their country. In the episode, viewers will also see natural monuments such as the black woodpecker, flying squirrel, and mandarin duck that inhabit the DMZ while also fiercely fighting over territory. Introducing the young men who defend the DMZ and the wildlife that have made DMZ their home in an episode full of suspense.