In a feudal Japan marked by political instability, a powerful warlord finds himself at a crossroads. To maintain his dominance and protect his clan, he decides to employ a dangerous and unconventional strategy: to seek a double to replace him in case he falls in battle. His choice falls on a humble peasant, a man whose life has been marked by suffering and struggle, but who possesses a surprising ability to imitate and replicate the behavior of those around him.
As he steps into this new role, the peasant begins to enjoy certain luxuries and privileges he never imagined. However, the life of a leader carries enormous risks; war looms over them, and the peasant's identity becomes a deadly game. The pressure of representing a man of power starts to blur the lines of his own existence, leading him to question his purpose and confront the harsh reality of a world filled with betrayals and fragile alliances.
As battles erupt and loyalties are tested, the peasant’s internal struggle intensifies. How far will he go to protect his new life and his clan? Between ambition and sacrifice, the peasant's fate intertwines with that of his lord, creating a spiral of events that will forever change the course of his nation.