An employee of the special police department, senior lieutenant Roman Slobtsov, nicknamed the Missionary, is entrusted with a task from the category of “practically impossible”. A missionary travels to Hong Kong to prevent an assassination attempt on the head of China. The fact is that America has already prepared another person to take his place... Slobtsov will be opposed by CIA agents who have established close contacts with the local mafia. Together with a Chinese intelligence officer named Mia, a Russian police officer must fool very serious people who are not inclined to joke, and, if very lucky, survive...