Having recently aired on Sky Atlantic, the gripping drama stars Elizabeth Debecki (The Night Manager, Guardians of the Galaxy Vol. 2) as Dr Anna Macy – a woman on a journey to find the truth about her past.

When she was a child, Macy and her best friend Gillian were playing in ancient woodland on the edge of town when they saw strange lights in the sky, accompanied by a high-pitched sound. Hours later, Anna was found alone, her friend had mysteriously disappeared. Fifteen years on Anna returns to her home town of Kettering to find that the rumours of what really happened that night still persist – from murder to alien abduction – so when 17-year-old Chloe Holloway disappears Anna is compelled to discover what really happened to Gillian.

The 8-part series arrives in the UK on DVD on 10th April 2017.