A first trailer has been released for "Other Mommy," a new horror film associated with actress Jessica Chastain, giving fans an early look at its unsettling premise. The film centres on Bela, an eight-year-old girl living in a household strained by marital problems, who is confronted by a sinister entity emerging from her closet. This presence, which she names "Other Mommy," grows increasingly threatening towards her and her family as the story unfolds.

Details released alongside the trailer include the film's core plot and part of its cast list, featuring Arabella Olivia Clark and Dichen Lachman, though the full article text cuts off before further cast or release information is given. The report offers no confirmed release date, and provides limited additional context beyond the trailer's unveiling and basic plot synopsis.