Rachel Hamilton works a reporter on radio station Urban Air. She learns that her boss Richard Hellier, who runs riverside developers, Riverzone is corrupt. At the station's anniversary party, she finds news editor Samantha Graham murdered.
Urban Air discover that boss, Richard Hellier's interview with Samantha Graham's is missing. Rachel starts an investigation into the Riverside protesters. Finding off cuts of the Hellier interview she discovers he and Samantha were lovers.
Richard Hellier admits having a relationship with Samantha but he denies killing her. Rachel visits her apartment and finds a tube of uppers and a phone message from source called Pickering who has found information on Draeger in Hamburg.
Pickering is dead and campaigner Mark Gentian beaten. Rachel learns Draegar is supplying "Fizzies" . Zac's dealer recognises Harry Michaels (Haig) has his supplier. Her radio exposé is spiked but Hellier tells her to broadcast illegally.
Richard Hellier cuts his business ties with Draegar. Rachel and Mark Gentian hijack Urban Air's medium wave band to broadcast her radio exposé. Draegar kidnaps Rachel but Haig double crosses him for Guang. Rachel knows Samantha's killer.