在一场死亡率不是1%，而是98%左右的疫情之后，艾莉离开了她的街区，到了一个新的城市，在那里她遇到了奎恩，一个对新世界有独特生存之道的人。

　　Graduate student Alice Gilman is running from an abusive past. She seeks refuge in the infamous Hannah house; a historic home with an ominous past. Determined to prove the possibility of alternate dimensions, she unknowingly unlocks a gateway to unimaginable horror. Facing a series of bizarre and violent events, Alice is plagued by nightmarish dreams of these evil entities. Trapped between the 4th dimension and reality, the diabolical truth is revealed as Alice fights for her sanity and her very soul. Based on the H.P. Lovecraft's short story The Dreams in the Witch House, WITCH HOUSE blurs the boundaries between reality,dreams...and the beyond.