is one piece episode 118 filler?

Crocodile reveals his true motive and explains the details of Pluton. After hearing of this for the first time, King Cobra informs Crocodile that even the existence of the weapon is in doubt.

Crocodile affirms that even he cannot confirm its existence but reveals his back-up plan. Crocodile informs Vivi and Cobra that he has planted a bomb to explode in the Palace Square at 4:30, one and a half hours after the Rebel Army and the Royal Guard clash at the Square.