Following her brother’s death in what appeared to be an accident, Lynne, portrayed by Maureen Connell, believes his undercover work was the reason and begins looking into things alongside Insp. Willoughby, played by Anthony Oliver. She soon finds herself involved with nightclub owner Venning, acted by Alan Tilvern, uncovering a group of minor criminals – though initially there’s no link to her brother's situation. Th…