In the days after Mike (Nicholas Nicolas Cage)'s son disappeared during a lively Halloween parade, countless visions took place around him, seemingly reminding him that his son was not leaving, but was conveying something to his father in another way. In order to find out the truth of the incident and retrieve his beloved son, Mike finds his estranged wife Christine (Sarah Wayne Carris Sarah Wayne Callies), and the two work together to launch an investigation. Over time, the couple approached a creepy secret center, and at every Halloween party, there was an evil ghost lurking for only one purpose, and that was to kidnap children. At the same time, Mike must rescue the kidnapped son in a very short time, otherwise his son will be lost in the dark forever.