After being hired to investigate a series of disappearances and dangerous apparitions that all seem connected to the stately home of Jhaal Skhalhammer, director of the Stormborn Trading Company, the party finds themselves trapped inside the estate and facing an ancient, angry Dream Dragon. As the party explores the manor in search of a way to defeat this entity, they will confront their darkest fears to prevent themselves from fading into the realm of dreams. In the process, they will uncover the truth about how this entity arrived in the town of Bigginsworth, what it wants, and how to stop it.