When a Wrexham based businessman is found murdered across the border in Heswall on The Wirral, Ruth and the Llancastell CID team must work with Merseyside Police to solve the crime. It seems that a fatal accident on a local building site might provide the motive. When Ruth discovers that a gang in Birkenhead have been using intimidation to steal valuable machinery, the focus of the investigation changes. Ruth and her CID team must pursue the dangerous suspects in a deadly game and stop them before there is another cold-blooded killing.