A murder mystery that unfolds within the confines of a dark residential building called the JERICHO MANSIONS. Leonard Grey (James Caan), the super of the building, pretty much keeps to himself and has lived much of his life caring for it as if it were his own personal universe. Life for Leonard takes a turn for the worse when suddenly the landlady begins to suspect him when items from her apartment turn up missing. The residents begin to voice their unhappiness with with him as well. As if that wasn`t enough, one of those residents is soon found murdered. Fearing for his livelihood, Leonard decides that it is up to him to get to the bottom of the mystery surrounding these very crucial events. The authorities seem to be convinced that they have found the killer, but Leonard`s own findings suggest otherwise when clues begin to point in a totally different direction.