'Takei, just five years old at the time, was one of 120,000 Japanese Americans interned by the US government following the Pearl Harbor attack: an egregious violation of their rights. The deprivation and humiliation of this experience form the texture of the musical, which follows fictitious families thrown together in the “relocation centre” at Heart Mountain, a dismal, sand-blown cluster of huts in Wyoming.'

https://www.ft.com/content/4d4189c5-a533-4667-a3d2-46686bc88c5e