ILLEGAL CONSUMPTION OF NARCOTIC DRUGS, PSYCHOTROPIC SUBSTANCES, AND THEIR ANALOGUES IS HARMFUL TO HEALTH, AND THEIR ILLICIT TRAFFICKING IS PROHIBITED AND ENTAILS LIABILITY ESTABLISHED BY LAW. The year is 1916, the height of the war. The Russian command becomes aware of the unheard—of audacity - in the quiet Abkhazian bay of Musser near Pitsunda, the Germans have equipped a secret base for their submarines. The Ottomans and local traitors provided the pirates with full food: fuel, supplies, and peace. From here, submarines go out to hunt, sink Russian ships. To eradicate the enemy nest, State Councilor Lykov and his faithful assistant Azvestopulo are sent to the place. The detectives have a daring plan: under the guise of cunning businessmen hiding deserters from the front, assemble a team of thugs and hit the base from the inside. Gathering desperate warriors and thugs under their banners, the detectives set out on a case. However, a surprise awaits them on the spot. As such, there is no base, just a warehouse full of everything necessary for underwater warfare. Lykov manages to track down a submarine that has surfaced to recharge. Here it is, the prey! But will Lykov and his motley squad be able to cope with the protection of the warehouse and the elusive submarine, or will they themselves fall into the cunning traps set by the enemy?An exciting historical detective story from the winner of the Russian Detective Award Nikolai Svechin. The novel is part of a series of works about detective Alexei Lykov and is the 39th in a row.