 In the heart of London a new art gallery is under construction using revolutionary designs by radical architect Cordelia Mendez.Georgie, an old friend of John's, has been overseeing the gallery's construction and invites him to see it.But when disaster strikes, John is forced into action to save the lives of the construction workers - dragging the Tomorrow People into far greater danger...

For John's heroics come to the attention of a reporter who has his own agenda - and some very unscrupulous acquaintances.