When Janis Finch storms out of a family row, it starts a chain of events which transforms her whole life. For it's in the motorway cafe, minutes later, that she meets the unknown rock band, Kelp, who talk her into coming to their gig that night. Janis goes along for the ride and finds herself increasingly provoked by Christie, Kelp's arrogant lead singer. He pushes her into singing with them, and winds her up into a fever of rage, awe, and attraction. So when Chrisite asks her to join the band, Janis feels powerless to refuse - and her life explodes.