Set against the unique backdrop of Okinawa, this action film depicts a struggle centred on a girl with mysterious powers.

On a remote island in Okinawa, a feud dating back to the Ryukyu Kingdom era has been raging. Kisa (Ayaka Morita), who has been living a quiet life on the island, knows nothing of this past. Then one day, strangers dressed entirely in black appear and begin attacking the villagers…