Ada is an American journalist of Polish origin. She has just moved to Hamburg with her partner and is struggling to find her way in the new reality. One day, a mysterious package arrives at the editorial office where she works.
In the 1940s, a small band of underground paramilitaries attempt to fight back against the Soviet-backed security ministry in post-war Poland. Determined to fight for their country's future, the group goes to extreme lengths to make their voice heard.