Going back and forth for 5 years across four continents. Friendship, brotherhood, loss, birth, raising kid…. Loosing tracks and looking for ghosts in Iya valley, or chasing cars on highways in Saruhashi. Time and space. Or no time, no space. Being threatened by what is not visible. Radioactivity, virus, disease, nuclear family, language as virus, life after death, fear, love… and then, freedom of movement, sharing emotions and dance.