Resistance is a 2011 Welsh film based on the novel of the same name by Owen Sheers.
After all the women in a remote valley on the Welsh border awaken to find their husbands have left to serve in the covert British Resistance, German occupiers arrive in this alternate-reality thriller set in 1944 where D-Day has failed and the United Kingdom has been invaded by Nazi Germany. Facing a harsh winter, the women and soldiers find they must co-operate with one another to survive.