In present-day Moscow ghosts of three little girls killed by their insane mother randomly pick a person to watch over for a three days. If during this "probation period" person's moral standards appear not to be high enough The Daughters then kill him using telekinesis.
A simple man Ivan Rostok, having reached the limit in his fall, repents and is spiritually reborn. He gains faith after the appearance of St. George to him and sets himself the task of restoring the village church destroyed in Soviet times.
