For Leonard Grey, superintendent of Jericho Mansions, the world beyond the building's front door is a terrifying agoraphobic nightmare into which, for the last thirty years, he has never ventured. But Leonard's sanctuary is beginning to crumble; forces are conspiring to kick him out; stirrings of discontent among the residents, infidelities, accusations and finally a murder. Could he have done it? Driven to confront and investigate the disintegration...