Storms and bad weather have spelt disaster for Erin and JB, as part of the original mediaeval foundations of their island have collapsed into the moat. Trying to fix it all themselves, JB's engineering skills are put to the test when they try to raise the heavy stones. Stephanie's tartan apartment project for Gerry continues as she rolls up her sleeves to sand blast the hayloft beams. Sarah and George agree to host the local town fete, but with a septic tank being installed just days before the event the grounds are far from picture perfect.