A wild eagle, captured by a hunter and locked in an impenetrable brass cage. The story tells from the perspective of the brass cage. The eagle pecks the brass lock with its beak, digs a hole in the concrete with its sharp claws, and crashes into the cage with all its strength, trying to escape, but failing to do so. The brass cage saw the eagle become dry and thin day by day, and was very distressed, persuaded the eagle to give up the struggle and enjoy the life in the cage. Will the eagle compromise? What emotional changes does the brass cage have for the eagle? This is a story about animal dignity, about freedom and love!