Inspired by real events, The Black Mass is set over a 24-hour period in Florida during the winter of 1978 when college girls were being stalked by serial killer Ted Bundy.

Nurse Lena Simon seems to have found the perfect man in savvy businessman Scotty Sharpe, but when she suspects him of seeing someone else she takes the unusual advice of her best friend Toni and does a voodoo spell on him.

In the late 1890s the Davenport House was a famous and successful brothel, until a young prostitute named Alice killed herself there. After her death, the brothel became haunted by Alice's ghost, and was eventually abandoned. More than a century later, the old structure is renovated into a beautiful mansion. It is still rumored to inhabit the ghost of Alice. Despite this, the new owner; the rich and arrogant heir to the Davenport fortune, decides to throw a wild party for his first night in the house.

Four friends hike into the Pinewood forest to find evidence of the Chupacabra, a creature believed to be responsible for the disappearance of a group of experienced hikers a year earlier.