Kill me fraternally. Serova M.S.

Private detective Tatyana Ivanova went to relax at the ski resort, decided to ski. But on the first day of rest, the personal coach Grigory Yashin turned to her for help to find who follows him and pursues him. And the next day, Grisha is found dead in their own room. His death looks natural, supposedly from a heart attack. However, Tatyana Ivanova doubts the posthumous diagnosis, because the coach could well poison...