Secon Forest, legend of the four

The story begins with the simplest day in the city of Mancheta, it was the 19th century.
A little boy and his older brother were playing tag with a friend near a dark, dense forest. And suddenly the boy heard a rustle in the forest and noticed a beautiful Deer with beautiful horns resembling a heart.
But when the younger brother told the older brother, he did not see anything, and after sunset they went home.
When he came home , he had a wonderful dream , after which the most grandiose adventure in the whole wide world was read in his life .