Jules Hudson and the Countryfile Diaries team travel the length and breadth of the UK to uncover the best winter stories. Jules files his final reports from Anglesey, including the top signs that spring is finally on its way. He's also on the island of Llanddwyn, home to Wales's patron saint of love. Margherita Taylor meets the duo responsible for saving the world's cocoa crops, which are being decimated by bugs and disease. Beavering away in greenhouses in Reading, they are raising and nurturing disease-free cocoa plants. In Aberystwyth and Borth on the Welsh coast, Keeley Donovan battles the elements for the rockpooling expedition of a lifetime. The coast in this area is one of the most diverse in the UK, and tidal patterns reveal pools which are vital nurseries for sealife. Paul Martin unravels why his pigs might just hold the secret to a cure for the common cold.