Marshland is a deep map of the east London marshes, a blend of local history, folklore and weird fiction, where nothing is quite as it seems. Cocker spaniel by his side, Rees wanders the marshes of Hackney, Leyton and Walthamstow, avoiding his family and the pressures of life. He discovers a lost world of Victorian filter plants, ancient grazing lands, dead toy factories and tidal rivers on the edgelands of a rapidly changing city. Ghosts are his friends. As strange tales of bears, crocodiles, magic narrowboats and apocalyptic tribes begin to manifest themselves, Rees embarks on a psychedelic journey across time and into the dark heart of London. It soon becomes clear that the very existence of the marshland is at threat. For on all sides, the developers are closing in...