Britannia Hospital, an esteemed English institution, is marking its gala anniversary with a visit by the Queen Mother herself. But when investigative reporter Mick Travis arrives to cover the celebration, he finds the hospital under siege by striking workers, ruthless unions, violent demonstrators, racist aristocrats, an African cannibal dictator, and sinister human experiments.

• EMI Films
• Graham Crowden
• Leonard Rossiter
• Malcolm McDowell
• Joan Plowright
• Mark Hamill
• Jill Bennett
• Brian Pettifer
• John Moffatt