Jimmy questions Donna about the shocking DNA results, Alison arrives in Norway in search of Andreas Hagan, and an unexpected twist leads Perez and Tosh into the murky world of the Norwegian far right.
When a young archaeologist discovers a set of human remains, the Shetland community is intrigued to know if it's an ancient find or a contemporary mystery. And when an elderly woman is shot on her land in a tragic accident, Perez and his team find themselves at the centre of two feuding families whose envy, greed and bitterness has divided the surrounding community.
Shetland - Series 4, Episode 3 Synopsis and Schedule