Under Grand Hotel is the inmate's name for a prison in the US. Sen is a Japanese guy who has been imprisoned after killing his lover's husband. Sword Fish is the leader of the prison. Sen needs Sword's protection, but can a love story work in a prison?

Ed, a broke bodyguard in search of some fast cash, enters the world of porn by applying to the adult film company McQueen Entertainment under the alias 'Tommy.' He originally planned to just perform as a top. But one day when his partner couldn't make