The Cartographer (2011)

Synopsis

A girl adrift in a storm in a sea of letters finds herself tossed into a world of mysterious motives, uncertain geography and desperate times. Polly has mapped the entire world. Almost. There is one last, lost city to go. But to know this place is to destroy it and this city's residents have other plans. Polly has to decide what's where, what's right and how to get out.