Sound engineer Sang Woo meets local DJ Eun Soo on a recording trip in the quest for nature's voice. They succeed in capturing various sensual sounds as well as each other's tenderness. Their love flourishes as spring comes along, but Sang Woo's ever intensifying passion often reminds Eun Soo of her tragic past. She knows only too well how passion can vanish like a sound: how love always surrenders to its expiry...