"The Tale of Tsar Saltan" is a Russian fairy tale written by Alexander Pushkin. It tells the story of Tsar Saltan, who is tricked by his envious brothers into believing that his wife, the Tsarina, is unfaithful. As a result, he banishes her and their newborn son, Prince Gvidon, to a remote island. On the island, Prince Gvidon grows up and encounters magical creatures, including a golden swan that helps him. Eventually, through a series of adventures, he reunites with his father, Tsar Saltan, and reveals the truth, leading to a joyful reconciliation and the restoration of their family.