Eun Young is confronted about her choice not to have children with Hyeong Woo. Bo Young and Eun Young work together to plan a surprise birthday party for their mother.

Eun Young's parents want to keep a secret away from her and continue preserving it at all costs. After the surprise birthday party, Bo Young thinks she might be pregnant.

Eun Young finds out that her baby born years ago did not die. Bo Young asks her husband to consider adopting Bi An but that suggestion causes problems for everyone.