As milk production deadline day looms, Lucy and Adam race to finish the shed, buy more dairy cows and get them used to a new milking robot system. Callum and Zara have had a few difficult years since arriving on Arran, but their fortunes are at last turning as they build a future for their family. After a busy year Andrew and Gayle hope their farming enterprises continue to grow, and that grandad Terrence can take a step back