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.

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.

Questions arise over Myeongo, Dongeun gives Yeonjin a chance to come clean about her past, and the circumstances of Yoon Sohee’s death are revealed.

Dongeun shares her traumatic past with Joo Yeojeong, who has unfinished business of his own. A new plan is put in place for Hyeonnam’s daughter.

Doyeong meets with Choi Hyejeong to find out more about his wife — and her past. Yeonjin digs into Dongeun’s private life.

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.

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