The secret past of a World War II-era intelligence officer comes to light when his grandson, actor Joonas Saartamo, begins to investigate his grandfather's activities as the leader of a long-range reconnaissance patrol. Meeting various experts along the way, Saartamo discovers a new insight into the crucial role of long-range reconnaissance patrols in war. He also realizes how strongly the weight of his grandfather's war experiences has been passed down from generation to generation, affecting him directly.