No one ever told her that Ayahuasca was a gateway drug.
The adventurous protagonist tries the spirit drug while down in Peru. She gets the mind-blowing trip that she was expecting, but at a cost. The dream molecule seems to be stuck in her system, causing her to have strange, horrible nightmares. A gateway to hell opens in her bedroom, unleashing a steady stream of awful creatures that torment her at night--as well as a sexy stalker, who always gets what he wants from her.
When she finds out that her nightmares are her new reality, she tries to find help, but the treacherous world beyond the gate has many secrets. Both the monsters and the monster-hunters are out to kill her. She must depend on shady allies and known enemies to help her discover why she's suddenly everyone's target.