Even though the water's cold, Molly and Jacob can't resist jumping into their pool in the first days of summer, but soon their horseplay results in Jacob getting hurt. Infected with summer laziness, the rest of the kids are slow to help with chores.

Along with their friends, twins Zach and Jeremy keep getting distracted as they struggle to complete their Swamp Fort - the project ultimately leads to an all-out paintball attack on the fort. Meanwhile, Matt installs an athletic court on the farm.