The film follows Finnish army machine gun company in Continuation War against Soviet Union, 1941–1944. Based on Väinö Linna's best selling novel Tuntematon Sotilas (The Unknown Soldier) and the novel's uncensored version, Sotaromaani (A War Novel).
Miila has found out that her grandmother Marja was born in Karelia. The subject has a close community on social media in Finland, which Miila wants to be a part of, so she decides to shoot a social media videos about Karelianness and her grandmother. The plan fails, and Miila doesn't get the visibility she craves. Instead, she learns what Karelianness is really about in their family.
Loviisa questions her place as a subordinate to her husband.
