Gabriel has finally completed the machine which he hopes will restore his fortunes, and farmers are soon clamouring to buy his ingenious invention. Dorcas is delighted for him, until she realises it could mean his departure from Candleford. Meanwhile, Caroline has returned to Lark Rise, and Minnie assumes it's only a matter of time before Alf comes to propose, now that his ma is back to look after her children. But will Caroline settle this time, and allow Alf his freedom? And how will Gabriel react to a surprising admission from Dorcas?