During a training exercise in an abandoned open-pit mine, a crew of Canadian astronauts are interrupted by an Atikamekw elder, who asks them to deliver an important message to the spirit of his community on the moon.

After his plane crashes in Siberia, a Russian dancer, who defected to the West, is held prisoner in the Soviet Union. The KGB keeps him under watch and tries to convince him to become a dancer for the Kirov Academy of Ballet again. Determined to escape, he befriends a black American expatriate and his pregnant Russian wife, who agree to help him escape to the American Embassy.

Based on Leo Tolstoy's novel, Father Sergius, Night Sun stars Julian Sands as Sergio, a nobleman in 18th-century Italy who is expected to marry a duchess, Nastassja Kinski. Upon learning that she was previously the King's mistress, Sergio turns his back on society and becomes a monk. While at the hermitage he tries to resist all sexual temptations before him and soon becomes known as a miracle worker. Eventually he succumbs to a young seductress and knowing he is undeserving of the adulation, leaves the hermitage to travel around as a homeless beggar.