It's not particularly upbeat, but the most dramatic tale of the pirate radio years (which would make a great film or TV one-off) was that of Radio City, which resulted in the death of Reg Calvert (also manager of The Fortunes and Screaming Lord Sutch).
Read more at
www.mds975.co.uk/Content/pirateradio.html, go to "SHOT!" about a third of the way down the page...