A dead farmer.His son killed too.A massive search to find the missing daughter.There's a sweltering heatwave in Staffordshire. DI Joanna Piercy arrives at a quiet stone farmhouse on the highest, most remote part of the moor to find a gruesome scene.Aaron Hardacre and his son Jack have huge holes blasted through their chests. A shotgun is left, propped up by the door.But Aaron's daughter Ruthie is nowhere to be found. Is she also...