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.

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.

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.

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.

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.

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

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.

No-eul infiltrates a dangerous operation with a risky plan. A new game is announced: hide-and-seek, where one group holds a key and the other a knife.

The games resume, and Gi-hun fixates on confronting Kang Dae-ho. Meanwhile, Kim Jun-hee faces a sudden crisis that pushes her willpower to its limits.

Jun-ho's team gets close to finding the island. Jang Geum-ja makes a desperate plea to Gi-hun to help Jun-hee. The VIPs discuss a cruel proposal.

Even as Gi-hun supports Jun-hee amid rising tensions, she must make a pivotal decision. Before the final game, the Front Man gives Gi-hun an ultimatum.

No-eul tries to gain the upper hand in negotiations, but her plans backfire. Gi-hun faces a moral crossroads, testing his limits — how far will he go?

As Jun-ho races to reach the island, tensions peak in the final round. The last players face an impossible situation in the closing minutes of the game.