A vengeful Gi-hun makes a U-turn at the airport. Later, in his hideout, he intensifies his search for the elusive recruiter who is seeking new players.

New players gather for a chance to win 45.6 billion won. After an intense first round, the survivors' fates hang in the balance — down to one final vote.

Jun-ho and his team prepare to infiltrate a suspicious island. As monetary stakes and tensions rise, players split into two opposing factions.

The players prepare for the next game: a six-legged pentathlon, where each team member must clear a mini-game to survive — or face collective elimination.

Gi-hun finally gets hold of an invitation, marked for Halloween day. In a tense moment facing Jun-ho, they reveal their truths to each other.

Kang No-eul earns enemies for her unruly actions. Nerves fray to the breaking point as the remaining players vote on whether to move to the next round.

The remaining players strategize on how to survive the night. Gi-hun proposes a risky plan — but he will need trustworthy allies to carry it out.