Borlu awakens in the custody of Breach knowing he must follow their instructions having violated the border law by firing a gun from Ul Qoma into Beszel. Breach want Borlu to continue his investigation and find the answers to their questions - does the elusive third city of Orciny truly exist, what did Mahalia discover and why was she killed, and what is it that connects this case and Katrynia Borlu is determined to find the answers and discover the truth about what happened to his wife. Thriller based on the novel by China Mieville, starring David Morrissey, Mandeep Dhillon, Lara Pulver and Ron Cook. Last in the series.