When Rev tries to teach Rumble to swim with his special inflated tires, Rumble keeps sinking to the bottom of the pond. Ben and Molly suggest they get advice from Gilly, the old Fender Bend ferry pilot. Gilly shares some stories from their glory days, and gets Rumble seaworthy!

Rev and his friends receive a map in pieces, so they race up separate mountain trails, vying to be first to claim the treasure at the top.