After Jane’s partner, Dax, succumbs to a heroin overdose, she turns to drugs in an attempt to numb her grief, quickly spiraling toward addiction. She soon realizes that the spirits of deceased addicts are haunting those who use drugs. Among these apparitions is her late boyfriend, Dax, along with other restless souls. Jane crosses paths with Rick, a young man with a parallel experience, who is also plagued by the ghost of his overdosed girlfriend, Azami, the most menacing of the spectral junkie vampires. Following a harrowing night, Jane returns to her apartment and heads to her bedroom, where she finds someone lying face down on her bed. When she receives no response, she turns the body over…