Unhinged (2006)

Original title: Ненормальная

The heroine, a lonely woman, falls in love with a young businessman very similar to a childhood friend. Everything separates them, the age difference, the social position and this creates a multitude of obstacles, sad or ridiculous, to the realization of their aspirations. But how to imagine that this man, who was trying at the beginning to get rid of an intruder, comes to a declaration of love accompanied by flowers.