The episode starts with Gyro escaping from Hody Jones who in turn goes after him. The Straw Hat Pirates are in a town on Fishman Island and King Neptune and Megalo appear to invite the Straw Hats to Ryugu Palace.
Hody destroys Gyro’s ship with handcuffs on to show how powerful he is. He defeated them all but left them still conscious so that they can tell about what is happening under sea to the people on earth.