A young woman arrested for operating a prostitution and blackmail racket on the outside with her boyfriend Lester Marshall. Undercover cop Wendy Glover is sent to Wentworth to protect Lisa. (Note: Lisa was played by Nicki Paull for her first six episodes. When she suddenly became ill, the part was taken over by Terrie Waddell). She gets let off on a bond but is framed by Rodney Adams and sent back to Wentworth.