The play tells the story of Xiao Guang who discovered an ancient Go board by coincidence and thus got to know Chu Ying, a Go player who has been entrenched in the Go board as a "soul" and who has experienced thousands of years. Under his influence, he gradually confronted The story of interest in Go and inspiring to become a professional Go player. ~~ Adapted from the manga of the same name by Yumi Hotta and Takeshi Obata.