In Sofia Nechaeva’s Moy Angel-Khranitel (My Guardian Angel), the "feature" is a raw, historical perspective on survival.
A businessman returns to his hometown after his father—a famous art critic—dies under mysterious circumstances.
For a more whimsical or contemporary take, Irina Burya's Anghel-Khranitel explores a "fish out of water" scenario.
Below are three "features"—unique hooks or central themes—from the most prominent works with this name: 1. The Maternal "Angel" Amidst the Siege
If you are looking for the story associated with the popular 2007 Russian TV series of the same name:
Rather than a supernatural being, the "guardian angel" is a metaphor for maternal love , portrayed as the only force capable of keeping children alive in a world of literal horror. 2. The Reluctant Mortal Angel