Now, after living a turbulent life for years in the middle of nowhere, an adult Ji-an moves to Seoul, only to get a call from an unknown caller who informs her of her uncle’s death, declared as suicide. After returning to Jin-man’s home, she tries to dig deep to figure out what went down, only to discover that he sold unimaginable weapons on the dark web. However, before she could unravel her late uncle’s deepest, darkest secrets, she was surrounded by guns, and drones which could fire bullets, and explosives, which targeted her. Now stuck there, she will be forced to remember all the absurd training her uncle gave her over the years, in order to be able to survive through it all, connecting the opening scene to the end of the second episode.