Sergei Pastukhov's group is tasked with finding and neutralizing a secret superweapon that Islamic terrorists are hunting for. However, very soon the soldiers of fortune begin to understand that the matter is not at all about a secret weapon, it may not exist at all, but big money and big politics are involved here. They are assigned only the role of pawn-executors. Can real professionals come to terms with this? The shepherd and his friends enter into a fierce battle not only with terrorists, but also with the lies that have entangled the Mercury Project.