Curfew

Kayes world is shaken up when her sister Ruby returns with her boyfriend Michael. Eleswhere, as night falls, the Donahue family prepare nervously for the formidable race ahead.

Londons huge wall presents the racers with another massive obstacle, while the General and Faith hatch a sneaky plan and Jenny grows increasingly anxious.

Lou and Hanmei crash into each other while vying for position on a country lane, forcing them to venture to a nearby farm to search for spare parts.

The remaining racers near the finish line as they approach the Highlands, and Kaye reveals a secret she has been keeping for years when she makes a shocking confession to Michael.