Chopper tells the others that Nami in Franky was kidnapped by the Yeti Cool Brothers. Franky in Chopper takes a rumble ball and becomes unconscious, Luffy and Franky go after the Yeti Cool Brothers to save Nami and defeat them. Meanwhile, Caesar notices Vegapunk's beam in Franky's body and craves for it, he calls his men so they go to the fire side gate and see a cave. Luffy and the Yeti Cool Brothers fight and by the end Law appears and defeats them. Law then propsoses an alliance to take down a Yonko to survive in the New World. (thetvdb.com)