As usual, Kyungsoo trace a sidewalk underneath his sneakers shoes, being lighted by street light, walking back home after hang-out with his two best friends, Baekhyun and Chanyeol. He has been accompanied by his shadow behind and sometimes on his side. Today, the road feels so chill and there isn’t any sounds of neither machine nor human steps, excessively looks desolate. This is the start of Kyungsoo's life will changed by someone.