According to the IMDb entry, this is about
An older woman [who] sits before a telephone in an empty house. Her daughters have flown the nest. As she prepares to phone them, their memory is brought back to life.
I'm not sure I would've known it if I hadn't seen that first; that's why I wanted to give you that option. But I'm even less sure that would've affected my liking of it.
The other thing I wanted to say is that this is the kind of movie I could just as easily not have liked. I mean...that plot? Told entirely in dance? It could've just been awful. But instead...well did I say that I liked it a lot?