In this haunting psychological drama directed by Mahsa Ahmadzadeh, a woman's carefully constructed life begins to unravel when she discovers disturbing secrets hidden within her own past. Set against the backdrop of a remote mountain village, the film follows a protagonist who returns to her childhood home after years of absence, only to find that the memories she thought she had buried refuse to stay hidden.

As she attempts to settle her late grandmother's affairs, strange occurrences and fragmented recollections force her to confront the truth about a traumatic event from her youth. The locals seem to harbor their own secrets, and their cryptic warnings about the "hidden moon" - a local legend tied to the village's dark history - begin to take on an ominous significance.

The film weaves together elements of psychological thriller and supernatural mystery, creating an atmosphere of mounting tension and uncertainty. Through its exploration of memory, guilt, and the weight of family secrets, Hidden Moon examines how the past continues to shape the present in ways both seen and unseen. The story builds toward revelations that challenge everything the protagonist believed about her own identity and the events that shaped her life.