By the middle of the 12th century, the borders of the Mongolian Empire stretched from the Adriatic and Mediterranean Seas in the west to the southern lands of China in the east. The Mongolian army, under Khan Batu’s command, was known for its invisibility, destroying anyone who dared to challenge them. Yet, even within their central territories, some areas refused to bow to the Genghisids. Kozelsk was one of them. The Mongolian armies bypassed the high walls of this small town, considering that "the skin of the wolf was not worth the risk of encountering its teeth".However, one of the Khan’s commanders harbored a grudge against the town's citizens. Now, the people of Kozelsk must face a battle against the strongest army in the world, with no hope of victory. This is a story about people facing their death. Some try to escape, others are willing to do anything to survive, but most are prepared to protect their city from the relentless storms of the Mongolian hordes.
Nikita, a former Russian Spetsnaz operative, is hired to neutralize the large private security force at a local factory so that his shady employer can extort the business from the factory owner. But Nikita and his group of highly trained fighters get more than they bargained for when it turns out the factory is actually owned by a dangerous warlord connected to the Russian military. By the time the 'hostile takeover' is complete, Nikita reveals that he has orchestrated his own secret mission to take personal revenge on the most dangerous man in Russia.
The Tiger Security Team of the Storm Security Company is responsible for security and rescue work. Luo Xinglie is punished for accidentally injuring a hostage during a rescue mission. He gets reduced to a security officer and gets no reward for the mission. At this time, the Tiger Team receives a new mission, hired by the International Peace Foundation, to escort a truck full of water purifiers and a large number of crop seeds to the villages of Sakiya for civilian assistance. However, due to the invasion of the non-government organization in Sakya, some areas are in war. The team is likely to encounter fighting, and the unknown danger is gradually approaching.