During the solemn celebrations of the Baptism of Rus' in the capital, a young girl disappears. There are no witnesses to the abduction, no note left, no signs dropped, not a single piece of evidence pointing to the kidnappers. The circumstances of the case are so mysterious that even her own mother does not believe in her disappearance. Count Sokolovsky is the only one who can help the young lover find a wife. Apart from the suspicions of his new client, the count does not have a single detail that could shed light on the mystery of the disappearance of the young girl.