1978. Tensions are high in Southall, and Seema, Inderjit, and Terrence are right in the middle of it. Threatened by members of the National Front,and fearful for their lives, the friends find themselves saved by a seemingly broken down bus. But inside the bus, a world of wonders and terrors awaits. And when a tall, grumpy man calling himself the Doctor says he can help, they've no choice but to trust him...