Aboard the mega cruise ship Sacramentum, 20-year-old new recruit, Jamie, infiltrates the 3000-strong crew in a desperate race to find his missing sister. She was working aboard the same vessel on a previous tour and vanished mid-charter.

Follow the story of twin sisters Lily and Abby, whose lives are shattered when Lily is abducted from their quiet rural English town by beloved local teacher Rick Hansen. After years of abuse in captivity, Lily escapes - only to discover that freedom brings its own challenges.

britische Miniserie