Never forget how to play make believe games. Or tie your friend to (disused) railway tracks in the name of fun. Or plant (cardboard) explosives on said tracks to steal lots and lots of money from a (2D) train. Or save the boy you love from certain (?) death. Always remember how (not) to rob a train.
In an alternate society where having sex means swapping bodies with the other person, a young woman struggles to be herself, defying her small conservative community where swapping is considered taboo. A deeply intimate portrait of identity in transition.