The Highland Vet - Season 5 Episode 4 -

David responds to a night call to a mare and a foal in distress. The mare is a Highland pony who's just given birth for the first time, but her foal is struggling to latch on and feed, which is a big worry. Practice director Guy has a bit of a mystery case on his hands. A ferret has been spotted wandering in a garden - not a typical sight in Caithness.