Hilja Ilveskero is a professional bodyguard. The “Ilves” in her last name means “lynx” in Finnish. When she was very young, her mother died before her eyes at the hands of a jealous father. The girl was taken in by her uncle. One day he brought a tiny orphaned lynx cub from the forest, and the animal was Hillier’s faithful friend for several years until he was run over by a car. In Moscow, a Finnish businesswoman dies under mysterious circumstances. Hilja provided security for the businesswoman for a long time, but on the eve of the fateful event she was fired due to a trifling quarrel. She returns to Finland and only there learns about the death of her employer. The police believe that the bodyguard dealt with the owner herself or received a lot of money to leave her without protection. Calls from the police alternate with anonymous threats - it seems that someone very rich and influential set the hunters on the trail of the Lynx...