What they're waving is red, not white. Red for danger. He's warning us!' A caravan holiday for the Famous Five is bound to be an adventure! And when they stumble across a circus troupe, the gang are thrilled. But some of the circus people have more sinister plans than just clowning around. The Famous Five love the freedom of a caravanning holiday. And when they discover a circus is camping nearby, they hope there'll be plenty of entertainment. But two of the circus performers are strangely sinister. The children soon realise that they're not clowning around - but can they get help in time?