The Woman in the Window

The Woman in the Window is a 1944 film noir directed by Fritz Lang that tells the story of psychology professor Richard Wanley Edward G. Robinson who meets and becomes enamored of a young femme fatale.

After criminology professor Richard Wanley sends his wife and two children off on vacation, he goes to his club to meet friends. Next door, Wanley sees a striking oil portrait of Alice Reed Joan Bennett in a storefront window. He and his friends talk about the beautiful painting and its subject. Wanley stays at the club and reads Song of Songs. When he leaves, Wanley stops at the portrait and meets Reed, who is standing near the painting watching people watch it. Reed convinces Wanley to join her for drinks.Later, they go to Reeds home, but an unexpected visit from her rich lover Claude Mazard Arthur Loft leads to a fight in which Wanley kills Mazard. Wanley and Reed conspire to cover up the murder, and Wanley disposes Mazards body in the country. However, Wanley leaves many clues, and there are a number of witnesses. One of Wanleys friends from the club, district attorney Frank Lalor Raymond Massey has knowledge of the investigation, and Wanley is invited back to the crime scene, as Lalors friend, but not as a suspect. As the police gather more evidence, Reed is blackmailed by Heidt Dan Duryea, a crooked excop who was Mazards bodyguard. Reed attempts to poison Heidt with a prescription overdose when he returns the next day, but Heidt is suspicious and takes the money without drinking the drugs. Reed tells Wanley, who overdoses on the remaining prescription medicine. ........

Source: Wikipedia