Journalist Siobhan Fallon needs the help of DI Mike Mulcahy with a story she's covering about the disappearance of a young woman from Cork. When he agrees, the duo find themselves dragged into the ruthless world of international drug smuggling - and finding a link between the murder of a retired drug dealer in Spain, the suicide of an estate agent in Bristol and a yacht abandoned off the south coast of Ireland. Once again justice and journalism make awkward bedfellows as Mulcahy and Fallon run a desperate race against a remorseless enemy determined to silence the one person alive who knows the truth...