Ghosts of Mars (2001) is a science fiction horror film directed by John Carpenter. Set in the year 2176, the film takes place on Mars, where a mining colony has uncovered a mysterious and ancient Martian civilization. When a group of miners inadvertently releases a malevolent spirit, the colony is soon overrun by hostile, ghostly entities that possess the colonists and turn them into violent, zombie-like creatures.

The plot follows a team of police officers, led by Officer Melanie Ballard (played by Natasha Henstridge), who are sent to the colony to bring back a notorious criminal. As they arrive, they discover the horrific situation and must battle the possessed colonists and the malevolent spirits to survive. With its blend of science fiction, horror, and action, Ghosts of Mars combines Carpenter’s signature style with a high-octane, otherworldly adventure.