Contemporary Moscow. While riding her bicycle one day, Alyona, a shy librarian, accidentally collides with Liza, a dazzling blonde. When she wakes up in the hospital, she discovers that she and Liza have exchanged bodies.
We don't see the woman on the train moving through Sichuan, just the trees, rivers, lakes and houses passing by the window, vanishing behind the blur of vegetation, segmented by the tunnels.
