Little Erin Merryweather begins in a New England town on a college campus.
A rash of murders alarms the campus and town with some people say they have seen flashes of red or perhaps a person in a red cape like Little Red Riding Hood in the areas where the murders took place.
Student Peter Bloom investigates the grisly killings until the stakes grow higher and the body count mounts. While he is trying to uncover the killers identity and solve the mystery, another two students are murdered on the campus.
Striking similarities in the way each of the victims are murdered have been uncovered but is this clue enough stop the killings?
Peters ongoing search thrusts him into a fairytale world of nightmares and a disturbing local town history. As Peter closes in on the killer, his own fate is uncertain as he becomes the next target for the ruthless killer.