Sid Vicious, born Simon John Ritchie, was a key figure in the British punk rock movement of the late 1970s. As the bassist of the Sex Pistols, he was known for his raw energy, rebellious attitude, and destructive behavior. Nancy Spungen, an American model and groupie, met Sid in 1977 and they quickly became inseparable. Their relationship was marked by intense passion, violence, and addiction.