In the span of just a few years, Blondie went from a band fighting for punk cred at CBGB to international superstardom, thanks in large part to one album: Parallel Lines. What was the secret behind its success? How did it all come together..and nearly fall apart? Enter the recording studio with Blondie's frontwoman and namesake, Debbie Harry, the rest of the band, and producer Mike Chapman. Their conversations reveal the real stories behind iconic hits like "Heart of Glass" and "One Way or Another" and how they launched punk music into the mainstream.