"I can show you how to enter the Narrows to find what you seek."

Oliver and his friends have returned to their hometown of Shumard, Texas for the funeral of their close friend Noah. They each grapple with the loss in their own ways, trying to understand the strange circumstances of their friend's unexpected death.

While visiting the site where the body was found, Oliver stumbles across a chilling discovery that he knows must be related to what happened to Noah. Wanting to protect his friends from these newfound horrors, Oliver takes it upon himself to venture into the grotesque otherworld known as the Narrows to learn what happened to his friend and find a way to bring him back.

Entering the Narrows is one thing, but will whatever he finds there allow him to leave?