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

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.

Yeonjin and Shin Youngjoon panic over Myeongo. Dongeun takes care of a lingering problem. Yeonjin’s mother schemes to remove a threat.

Doyeong issues an ultimatum. Dongeun demands a piece of evidence be handed over. Yeonjin attempts to do damage control after old videos appear online.

As the final pieces of Dongeun's revenge plot slot into place, she considers what comes next — and what it will mean for Yeojeong.