Full Steam Ahead - S1.E4

The restoration of London's King's Cross is the biggest infrastructure project in Europe. On one side stands Clare Brady, English Heritage case officer, who is trying to preserve fragments of the Grade I-listed station's historic past. On the other is Roger Madelin, chief executive of the developer Argent, and Network Rail architect John McAslan, who argue their case in favour of sleek modernity. Whose preferences will come out on top?