Sarilho means knot, entanglement or a twist.
Régula II is a military base in the border of the Mediterranean Empire, peaceful only because of several tenuous treaties with the neighboring peoples.
The Kirchhoff brothers, Mikhail and Nikita, have been dispatched to the Régula II base. Raised in the army, they soon learned that they can only trust each other.
Even in spite of the circumstances, the rebuilding of the dam and its electrical infrastructure is almost completed, so everything’s running smoothly at the camp… That is, until an ancient satellite, thought to be in orbit for over five hundred years, falls on enemy territory.