Jake Scully comes home to find his girlfriend with another man and has to find a new place. In between his acting workshops and his job in a vampire B-movie, he scans the paper looking for anything. He happens to meet Sam Bouchard, a fellow actor who needs a house sitter. Both are pleased with the arrangement that will have Jake staying in the house and for a sweetener, Sam shows him his favorite neighbor, a well-built woman who strips with her window open each night. Jake becomes obsessed with meeting her and is able to help recover her purse from a thief, but shows his own phobia, he is incapacitated by claustrophobia when the thief runs through a tunnel. When Jake witnesses a murder, he finds out that the police love to pin crimes on peeping Toms. Jake discovers that here are just too many coincidences but must hunt them down himself without the police..
Robert J. Avrech (screenplay), Brian De Palma (screenplay), Brian De Palma (story)