On reasons of the Russian folk tales. Once a czarevitch wanted to get married, and necessarily on the Gold braid - beloved beauty that is seen by him in sleep. Ivan asks a father to release him on light to search a tsarevna. Tsar certainly against marriage on some there beauty, getting married is needed on a boyar's wife. He locks a son, but a self-willed czarevitch however escapes and sets out in searches.