The third story from the series “Everyday life of the Russian secret service.” The work is a continuation of the plot of the first police detective novel "Russian Scam" and the second story about spies "Project "Perun"". Ekaterina Prytkova, a special service employee, faces a difficult ordeal. Her cloudless, happy life with her boyfriend is disrupted by a CIA agent, whose plans in Russia were destroyed by the FSB. To get her life back on track, she has to go to the UK. However, before the trip, Catherine will have to overcome many difficulties. Will she achieve her goal? Who will undertake to help her? You will find all the answers in the dynamic plot of the new detective story about the struggle between Russian and foreign intelligence services, “Voyage to the United Kingdom.”