The state has seized the land stolen by Mask, a notorious and ruthless bandit. Mask cannot accept the loss of his land and plans to eliminate the sheriffs involved in the matter. After raiding the deputy sheriff's house and killing him, Mask tasks his brother with killing the sheriff. Mask's brother goes to the sheriff's farm and gets into a fight with the sheriff, during which he is killed. Mask is now thoroughly hostile toward the sheriff. Mask pursues the sheriff and raids the farm. A fierce battle erupts at the farm. The sheriff arrives at the scene and arrests Mask. A trial is immediately convened at the farmhouse, and Mask is sentenced to death.

Kahpe Bizans tells us the story of Yetis Bey (Cem Davran) and his struggle with Byzantian Emperor (Illetyus) in a humorous way.