Sen Owari, a student from Japan, is studying at Columbia University. During his stay in the US, he has an affair with his professor... later to be discovered by her husband! Sen confronts him and, leading to a fight, shoots and kills him! Now convicted of murder, Sen is sentenced to serve 80 years in prison at "Under Grand Hotel" (UGH). The only imprisoned Asian boy in the institution, he's an outcast, vulnerable and alone. When he approaches Swordfish, a prison gang leader, to get protection, Swordfish seizes the opportunity and claims Sen as his "personal property."