Gi-hun and his team take turns keeping guard through the night. The masked men encounter trouble with their co-conspirators.

A few players enter the next round — which promises equal doses of sweet and deadly — with hidden advantages. Meanwhile, Jun-ho sneaks his way inside.

As alliances form among the players, no one is safe in the dorm after lights-out. The third game challenges Gi-hun’s team to think strategically.

Split on whether to continue or quit, the group holds a vote. But their realities in the outside world may prove to be just as unforgiving as the game.

Youngwoo lands in a tricky legal position after a married couple seeks counsel to help settle a dispute involving a massive lottery win.

Dongeun’s end game comes into focus as she sends Jeon Jaejoon a troubling package and orchestrates a plan to take down Yeonjin and Lee Sara.

Yeonjin threatens Hyeonnam after discovering her involvement with Dongeun. Yeojeong devises a way to get the truth out of Yeonjin.

Hyejeong finds an incriminating recording on Myeongo’s tablet, and Hyeonnam receives an unwelcome visitor as she prepares to send her daughter abroad.

Already on edge over the past resurfacing, Yeonjin grows more anxious when she learns about her daughter’s new homeroom teacher — and of a sudden death.

While Ha Doyeong comes across an intriguing game opponent, Yeonjin realizes her deepest secrets are at stake when she tries to intimidate Dongeun.

Son Myeongo’s sudden absence causes tension in the friend group. Dongeun finds her trust in Kang Hyeonnam tested.