Penfield Gruber, a once great scientist, is reduced to managing a sleazy hotel. He monitors the daily comings and goings of his tenants, mainly for his own interest, until underworld figures ask him to spy on a suspected double-crosser. While watching the man, Gruber overhears a murder plot.

Harvey Keitel
as Penfield Gruber

Lori Hallier
as Julie

Lolita Davidovich
as Adele

Michael Rudder
as Freelong

Cordelia Strube
as Dolman

Durango Coy
as Borden

Alan Fawcett
as Gilchrist

James Kidnie
as Sandy

Kenneth McGregor
as Collinson

Sam Malkin
as Peters