Mill Valley, Pennsylvania, Halloween night, 1968. After playing a joke on a school bully, Stella and her friends decide to sneak into a supposedly haunted house that once belonged to the powerful Bellows family, unleashing dark forces that they will be unable to control.
Eva is a popular teacher who is married to the local mayor. Although he has betrayed her trust, she still plans to support his election campaign, and so she starts to volunteer at a local refugee center. Here, she grows close to eighteen-year-old refugee Amir, who charms her with his poetic talents. But the closer they get, the less control she has over the situation.
As police inspector Yamato Kansuke pursues a certain man in the snowy mountains of Nagano, a shadow suddenly appears in his field of vision. While he's distracted, a rifle bullet fired by someone grazes his left eye and causes an avalanche accompanied by a roar. Ten months later, Kansuke, having miraculously survived the avalanche, receives a report that a researcher at the Nobeyama National Astronomical Observatory has been attacked.
Gang leader Tony pulls off a major diamond heist with his crew, but cop-turned-criminal Ling knows who has the loot and responds by kidnapping Tony's daughter and holding her for ransom. Unfortunately, Tony's lost the diamonds as well. As he frantically searches for his daughter and the jewels, Tony pairs with a high-kicking government agent who once worked with Ling and seeks revenge on him.