In the Cumbrian countryside, Reuben is grafting to finish an epic wildlife pond, shaping and smoothing the bank to get it ready for its feathered residents. While Reuben's digging goes without a hitch, Capper wedges himself so firmly in the muck that Sonny has to stage a muddy rescue. Up on the fells, Reuben and Jess turn their attention to a headcount of the heifers - or at least, try to.