Overview
The Lady in the Car with Glasses and a Gun is a 1970 psychological thriller film directed by Anatole Litvak starring Samantha Eggar, Oliver Reed and John McEnery. It is based on the 1966 novel of the same name by Sébastien Japrisot. This was Litvak's final film. The film was remade in 2015.
Plot
Just before the Bastille Day holiday weekend, English secretary Danielle "Dany" Lang types up a document for her advertising agency boss, Michael Caldwell, to take on a business trip to Geneva. On the way to drop off her boss and his wife, Anita, her former roommate, at the airport, her boss gives her an envelope with her pay in it.
After dropping them off Dany impulsively decides to drive to the Riviera for the weekend. When Dany pulls into a small café the owner tries to return a coat to her, she claims she left there the day before. At a petrol station Dany is attacked in the toilet and injures her hand. She is bemused as various strangers claim to know her.
Heading further south she picks up a hitchhiker, Philippe and the pair spend the night together. The following day Philippe steals Dany's car prior to reaching the coast. She later finds Philippe in Marseilles where they find a man's body and a gun in the trunk of the car.
From Wikipedia (CC BY-SA 4.0).