Plot Summary:Du Paty de Clam instructs Captain Dreyfus to write to see if his handwriting matches the writing of the traitorous Bordereau. Du Paty de Clam finds the handwriting to match and accuses Dreyfus of the author of the Bordereau. He hands Dreyfus a revolver with advice to commit suicide, but Dreyfus refuses. His arrest is immediately ordered by M. Cochefort.