The series "Kronstadt 1921" is a documentary drama with elements of historical reconstruction about one of the most resonant events of the Civil War. The Kronstadt tragedy of 1921 shocked the entire country and left a lasting imprint in the memory of future generations. The sailors of the city of Kronstadt were at the forefront of the revolution from the very beginning. In 1917, it was they who captured Petrograd and held two million residents until the new authorities achieved complete victory. But four years later, they became defendants in another high-profile case.