The year is 1969. Rock 'n' roll, psychedelic drugs, and peace-loving hippies are thriving in Britain. But in the aftermath of a rock music festival, cold reality strikes when a woman is found murdered in her sleeping bag, callously left among the debris in the concert's wake. Detective Inspector Stanley Chadwick is the hard-headed, straitlaced copper assigned to the case who must reluctantly enter a counterculture world to find a killer. When clues lead him to an up-and-coming rock band, the Mad Hatters, with whom the victim was connected, Chadwick experiences firsthand the dangers of this dark new world of sex, drugs, and rock 'n' roll.
In the present day, Detective Chief Inspector Alan Banks is called to the scene of a murder victim who turns out to be a freelance journalist working on a piece for MOJO magazine about the classic rock band the Mad Hatters....