2022 independent sci-fi film set in the 1940s starring Emma Appleton as Thomasina (Thom) Hanbury who, along with her sister Martha (Mars) have built a machine, LOLA, which can intercept TV & radio broadcasts from the future.
The girls are orphans who originally created it in order to listen to music from the future, but as war closes around them they listen to future bulletins in order to warn civilians of impending German attacks. However it also changes the course of history.