Gyeo Ul investigates the earring and discovers that Yu Jin was its purchaser. Although Yu Jin and Ae Ra's deceitful explanations almost convince her, Gyeo Ul overhears something about Ae Ra's weekend activities that makes her suspicious. Meanwhile, Tae Yang informs his family of his desire to return to the sea, prompting Se Rin to initially react strongly but quickly compose herself and enact her backup plan to prevent Tae Yang from leaving.