Spectral Trip (2017)

Rory Evans visits his friend Robert's new house to hang out, where Robert and his other friends get him to try this experimental new drug they've got a hold of. He proceeds to go on a crazy drug trip, eventually finding himself in a strange situation when all of his friends appear to vanish and he's confronted by the ghost of a strange woman, who, to convince him to help her, brings him into visions of her past.