S1·E73 Episode 73

Ok Boon leaves the house and ends up going to her ex-in-law, Yun Jeong. The two reconcile and Yun Jeong comforts her distress with her husband. Meanwhile, the whole Song family is up and about searching for their mom. They can't seem to find her anywhere and feel at a loss, worrying about her until Gyu Jin randomly visits his mom's house with Jae Seok.