This episode is widely considered the emotional centerpiece of the first season. The remaining players are instructed to pair up for the fourth game. To their horror, they discover they are not competing with their partner, but against them in a game of marbles. The loser of the game is eliminated (killed).
"DU" often indicates Dual Audio , meaning the file likely contains both the original Korean audio track and an English dub. Episode 6 Summary: " Gganbu "
The two young women spend most of their time talking about their pasts and dreams for the future before Ji-yeong makes a final sacrifice.
The text you've provided appears to be a file name for a specific episode of a television series. Based on the naming convention,
In a desperate bid for survival, the highly intelligent Sang-woo betrays the trusting Ali.