Story based on real events surrounding the dramatic fate of Yuri Tarkhanov, an ex-spec ops soldier who challenged criminal gangs that used to run unchecked destroying the Baikal lake. The locals used to call his fearless Lynx unit «Baikal Rangers».  It’s a battle of life and death because poaching is a lucrative business, so the criminals and oligarchs of every stripe and level of power covering them are not going to give up without a fight.