In the spring of 1999, a group of friends gather to celebrate. Among the bunch is Yeong-ho, a cold, gloomy person, whose demeanor puts a damper on the sidewalk. The seriousness of Yeong-ho"s melancholy becomes evident, nevertheless, when he climbs out a railroad track bridge and looks like he might jump. Only at that crucial moment, memories of seven crucial episodes from Yeong-ho"s past flooding his brain.