Sana

A mysterious cassette tape containing a haunting melody circulates among unsuspecting people. Upon hearing it, listeners find themselves involuntarily humming the tune, which begins to seep into their subconscious. One by one, they become entangled in a series of unsettling and inexplicable incidents. An investigation points toward a dark urban legend tied to a forgotten musical recording. As more people carry the hum, the line between reality and nightmare blurs, and the melody morphs into an invisible, viral threat.