详细介绍：In August 2009, 15-year-old rock band YB (Yoon Do-…In August 2009, 15-year-old rock band YB (Yoon Do-hyun Band) participated in Vans Warped Tour, an indie rock music festival in the United States, the first time for a Korean band. While they fly to the States with fluttering hearts, a second generation Korean girl who lives in the East and happens to be fascinated by YB’s music, decides to go to the West for their performance.详情