An old promise between friends is put to the test as their loyalties and ambitions change. But against Rekka's invincible general, Granedger may not stand a chance.

While Ren Sin vows to unravel Shu Bi's trickery back in the capital, the crew takes a shortcut to reach the wall quicker and discovers a peculiar farm with a dark past.

All eyes are on the Granedger as it closes in on the wall to destroy it. While Rekka waits for the right chance to strike, Shu Bi pulls out the big guns.