The narrative begins with Korpi infiltrating Soviet-annexed Karelia to locate his old farmstead, disassembling the log cabin, and loading it onto a flatbed truck. Soviet forces detect the breach, leading Commander Yeandor Draganov—the man who murdered Korpi’s family—to take personal command of the hunt. A high-stakes forest chase follows, where Korpi destroys an attacking Soviet fighter plane using landscape hazards and improvised cable traps.
Korpi is eventually captured and subjected to electro-torture aboard a moving military transport train carrying a ballistic missile toward Siberia. Breaking his restraints, Korpi turns Soviet weaponry and dining utensils against the guards, engaging Draganov in a duel atop the train and missile platform. Draganov is gruesomely eliminated, and Korpi derails the convoy to reclaim his truck.
In the resolution, Korpi crosses into Finland and begins laying the cabin's foundation on a hillside. Local villagers approach carrying axes and hammers, offering their labor to help him rebuild. An emotionally moved Korpi accepts, with end credit snapshots showing him smiling alongside his new neighbors.