Gordon tells Carole about a very sensible diet and discovers a bunch of leaves which Colin says are very healthy. Later Gordon has to deal with a crisis when a cow is on the loose and is about to give birth to a baby calf. Then Laura realises that the leaves can causes a pregnant woman or animal to give birth earlier than expected. This gets out of hand when Carole appears to have eaten some of the leaves. Then Helen has some surprising news for Gordon.