Ap-lok river flows between North Korea and China. A point along the river runs about 48 meters. There, North Koreans risk their lives by trying to cross the river. Real stories of those people who attempt to cross the river are told.

• Park Hyo-joo
• Ahn Se-ho
• Ju Min-ha
• Lee Jin-hui
• Ha Seok
• Kim Yong-jin
• Cho Han-chul
• Ji An