It’s time for the kids to decide on the school club they wish to join. Yeo-wool chooses to let Yi-chan join a hockey club. On the registration day, she encounters Ji-sun, Do-young, and the other moms. Meanwhile, Yeo-wool continues trying to find out the relationship between her dead husband and Do-young. She hires a private detective to dig into Do-young. Yeo-wool soon receives surprising news from the private detective.
為了解開謎團，汝蔚雇用徵信社來調查，收到監視器的影片後，汝蔚發現是一位她認識的家長追著她兒子跑。
