To improve his sex life, Takafumi Katayama joins an intense S&M club that also makes unannounced house calls. But when the line is crossed and he tries to cancel his membership, things only escalate. As his story of sexual adventures unfolds, it is interspersed with scenes of a director who, at age 100, is putting the very film together. Intended to excite and disorient, R100 proudly proclaims it cannot be understood by anyone who has not lived a century or longer.