Young-Chan comes from planet of snail where deaf blind people live slow and quiet lives. When Young-Chan came to Earth, nobody understood his language and he was desperate. Then an angel walked into his life. Soon-Ho knows how it is to be lonely and soon becomes an inseparable part of his life. Young-Chan also discovers an amazing world under his fingers as he learned to read books with braille. Hopes began to grow and he dreams of writing a book. However, Soon-Ho cannot always be there for him because of her own problem of spine disability. The couple now should learn to survive alone. While Soon-Ho uneasily spends her first day waiting for his return, Young-Chan goes out for the biggest adventure of his life.