The Stronghold is a Ukrainian adventure/fantasy film. A solar eclipse activates a magic time portal and a regular schoolboy Vit’ko from the 21st century goes back a thousand years in time. Vitya soon recognises that he is with the legendary Bogatyrs who have to defend themselves against the Cumans. The Cumans use weapons and black magic to try and destroy the Bogatyrs at any cost. Vitya finds himself in the midst of incredible events, battling with a giant stone monster and acquiring real courage.