Bai Han Qi, Bai Luo Yin's father, accidentally throws Luo Yin's underwear on the drain. Luo Yin then informs his friend, Yang Meng, that his mother (Jiang Yuan) is re-marrying. Meanwhile, Gu Hai is conflicted on deciding to whether or not attend his dad's re-marriage ceremony and approaches his girlfriend, Jin Lu Lu, for advice.