At the height of the First World War, two young British soldiers must cross enemy territory and deliver a message that will stop a deadly attack on hundreds of soldiers.

Lynn and Lucy are lifelong best friends, their relationship as intense as any romance. Neither has ventured far from where they grew up. Lynn, who married her first boyfriend and whose daughter is fast growing up, is delighted when the charismatic, volatile Lucy has her first baby boy. Lucy, however, does not react to being a mother as Lynn expects. Soon, they find their friendship is tested in extreme circumstances.

When Jordan gets into the car of a flirtatious drug-dealer, his night takes a dangerous turn.