Twenty years after peace activist Im Su-kyong swore that she would cross the border between North and South Korea on foot, Argentine documentary filmmaker José Luis García goes in search of the young woman who was once known as "The Flower of Reunification." (TIFF)

In 1989, 20-year-old South Korean college student Lim Su-gyeong crossed the Military Demarcation Line between the two Koreas while thousands of spectators around the world witnessed this controversial act.