When a light aircraft crashes into the Thames at Shepperton, the young pilot who struggles to the surface minutes later seems to have come back from the dead. Within hours everything in the dormitory suburb is strangely transformed. Vultures invade the rooftops, luxuriant tropical vegetation overruns the quiet avenues, and the local inhabitants are propelled by the young man's urgent visions through ecstatic sexual celebrations towards an apocalyptic climax.