Killjoy is the fourth novel in the Inspector Ramsay series by Ann Cleeves, author of the Shetland and Vera Stanhope crime series.
Gus Lynch is directing the Youth Theatre through a rehearsal. The cast is in place but the female lead, Gabriella Paston, is missing. Later that evening her body is discovered in the boot of Gus's car. Detective Inspector Stephen Ramsay and Sergeant Gordon Hunter are assigned to head the murder enquiry.
Meanwhile violence is escalating on the Starling Farm Estate as police battle to contain the latest outbreak of joyriding. Is the death of Gabriella connected to the events at Starling Farm? When another death occurs, investigations suggest a possible link. Ramsay realizes what could have provoked someone to kill . . . and kill again.