Summer 1941 and the Finnish army has been mobilized along the Russian border. A platoon, led by Lieutenant Eero Perkola, receives orders for a dangerous recon mission to search out Russian defensive positions. As Perkola's mission begins he learns that his beloved fiance has been killed in an ambush by Russian partisans. This traumatic event transforms the young Lieutenant from a blue eyed, idealistic officer into a killer intent on vindictive revenge against the enemy. As Perkola's personal war endangers his platoon's safety and compromises the entire mission, he must wrestle his inner demons and make a choice.