What 2023 horror film centers on a retired army ranger who hosts a housewarming party, only for his sister to become possessed by an entity that forces the guests to confront their darkest secrets?

The 2023 horror film described, centering on a retired army ranger's housewarming party that turns terrifying when his sister is possessed, is indeed iPossessed (Review). This independent horror film plunges viewers into a night of psychological torment as guests are forced to confront their deepest secrets and inner demons.

The movie introduces Tad Volo, a former Army Ranger sniper, who has recently retired and bought a remote farmhouse. Three months later, he hosts a housewarming party with close friends and family, including his younger sister, Zoe. The celebratory evening takes a dark turn when an unseen entity possesses Zoe, trapping the group and making a sinister pact: if anyone leaves before morning, Zoe's soul will be destroyed. This supernatural (Review) threat forces Tad to battle not only the demon possessing his sister but also his own resurfacing PTSD and dark trauma from his past in the military.

Directed by Jerry Sommer and Carl Rimi, who also stars as Tad Volo, "iPossessed" delves into themes of guilt, trauma, and the hidden darkness within individuals. The film explores how extreme circumstances can expose vulnerabilities and force characters to face the aspects of themselves they've tried to bury. Meghan Carrasquillo portrays Zoe Volo, the possessed sister, and Chris Moss plays Buckley, Tad's best friend and former comrade. The movie is a blend of supernatural horror and psychological thriller, aiming to keep audiences on edge as the characters' pasts are brutally laid bare.