Hae-joon’s mother, Seo-hyun, unexpectedly visits Yoon’s Kalguksu to repay her debt, leaving Jung Jae puzzled as to what to do with it. Meanwhile, So-hee goes missing after leaving home to meet San-ha. Her disappearance reignites the unresolved conflict between Moo-sung and Jeong-hee, resulting in San-ha’s decision to distance himself from the family.