Sid and Nancy details the volatile, troubled relationship between the ultimate groupie, Nancy Spungen, and punk rock icon Sid Vicious, bassist with the Sex Pistols. After their break up, Vicious attempts to build a solo career while in the grip of a heroin addiction. When Nancy is found stabbed to death, Sid is arrested for her murder. This is the dark side of sex, drugs and rock ‘n’ roll. Love kills.