Kangin & Yoonji and Junjin & Siyoung couples prepare for their farewell. The composer of Jun Jin's new album asks Si Young to sing a part in a song. Being the last time together with mission "Last day of Marriage", Kangin takes Yoonji out for a magnificent outing, and they try on wedding clothes in a bridal shop. Later that night, they go for a walk along the Han River.