Shelby and Bob test the upgraded Swamp Man jet boat by trying to haul in a capsized fishing boat; newly promoted hook tender Jeremy tries to send up an oversized log without bucking it, breaking a support tree on the Rygaard skyline; Triack purchases a rock truck powerful enough to haul out wood on its own, but using it poses risks both on the road and at the unloading point; with the Zitterkopf skidder broken down, David's plan to have Zane use his pickup truck to move logs sparks a fight between the two; the Chapman crew incurs Greg's wrath after they forget to hook up the boat's underwater sonar sensor and accidentally drop it to the riverbed.