Ichabod Crane and Lieutenant Abbie Mills encounter the Sandman, a scary supernatural being that haunts and punishes guilt-ridden individuals, in this episode. The entity preys on people who disregarded Abbie's pleas for assistance during a terrible incident in her early years, including a psychiatrist who kills himself following a distressing vision.
Abbie is forced to face her own guilt about concealing what she seen with her sister Jenny when they were little as the Sandman's attacks get more intense. Abbie and Ichabod confront the Sandman by entering a dream world with the assistance of a Native American shaman. To defeat the beast, Abbie must confess the truth.
Abbie Mills starts experiencing unsettling dreams related to the trauma she experienced as a youngster. Abbie and Ichabod learn that a dreadful force is at work when Dr. Vega, a psychiatrist who once treated her sister Jenny, kills herself under the power of a supernatural force. This entity is a Mohawk dream monster called the Sandman.This entity preys on guilt-ridden people, particularly those who have ignored the reality of previous paranormal occurrences.
Abbie is forced to face her own guilt over lying about what she and Jenny saw in the woods as kids, a deception that resulted in Jenny's hospitalization, as more victims fall. Ichabod and Abbie join Sandman's world through a dream ceremony aided by a Mohawk shaman. There, the demon is finally vanquished as Abbie confronts her fears and acknowledges the truth.