Overview
Them is a 2006 French-Romanian horror film directed by David Moreau and Xavier Palud. According to a title card at the beginning of the film, it is "based on real events".
Olivia Bonamy plays Clementine, a young teacher, who has recently moved from France to a remote but idyllic country house near Bucharest, Romania, with her lover Lucas played by Michaël Cohen. Their peaceful life turns into a fight for survival when they are attacked by mysterious assailants.
Plot
A mother and daughter drive along a deserted country road at night while having an argument and crash their vehicle. The mother goes out of the car to check the engine but disappears. The daughter calls out for her but her call is repeated from the woods by a soft whispering voice. The daughter attempts to call the police but is strangled to death.
The next day, Clémentine passes the crashed vehicle. That night, she is awakened by music outside. She investigates with her boyfriend Lucas and see that their car has been moved away from the house. As Lucas approaches it, the car is driven off. Lucas then finds the TV on and the tap running. He swings a poker at an intruder and shatters the door glass, his leg getting impaled by a large shard in the process. He and Clémentine lock themselves in the upstairs bathroom. Clémentine climbs into the attic to find an escape route. One of the intruders grabs her but she pushes him off a balcony. The couple flee from the house, locking the second intruder inside.
From Wikipedia (CC BY-SA 4.0).