In this episode, Zack demands Olivia to strip and grovel to save Liz, his critically ill child, revealing intense conflict between them. Olivia reluctantly complies, but Zack remains hostile, blaming Olivia for killing his child and threatening to have the doctors abandon her after surgery. Despite intervention from others urging Zack to soften, he leaves angrily, ruining their engagement party mood. Olivia tries to convince Zack to trust her, but he refuses. The episode ends with a tense hospital update: Liz's condition is critical as doctors fight to save her, leaving their fate uncertain.