To girl Эльсе almost eight, and to her grandmother soon seventy eight. One name a grandmother eccentric, other - by a "cheerful old woman", the third consider that she simply went down from spools. But for Эльсы a grandmother is a superhero and the best friend. Because always protects a grandchild, regardless of circumstances. And that is why that understands her as nobody other.When a grandmother dies, letters that Эльса must deliver stays after her to the addressees. Executing a grandmother commission, she knows much new about unusual life of the superhero, will battle with the real, but not fairy-tale evil, and will find the real friends.