Based on a true story about the horrifying incident that happened to the band who went on a trip to Chuncheon. Based on a true story about the horrifying incident that happened to the band who went on a trip to Chuncheon. Based on a true story about the horrifying incident that happened to the band who went on a trip to Chuncheon. Based on a true story about the horrifying incident that happened to the band who went on a trip to Chuncheon.