In the rural town of Inaba, a series of enigmatic murders coincide with foggy weather following heavy rain. Rumors swirl about a midnight television channel, Mayonaka TV, revealing one's 'other half.' As the characters—Narukami, Chie, and Yosuke—share experiences of witnessing murder victims on this channel, the protagonist discovers a way to enter a shadow-infested alternate world through the TV during midnight. Meeting Teddie in this surreal realm, they realize a sinister link between Mayonaka TV and the town's killings. To unravel the mystery, they unite to explore this hidden dimension and uncover the truth behind the murders.