On the last night of summer in a sleepy seaside town, an insecure young woman finally reveals to her crush exactly how she feels - and what she is.

After reopening the decades-old Parker family murders, two FBI agents are drawn into a chilling investigation tied to a series of unexplained disappearances and a growing supernatural presence. Blending psychological horror with occult mystery, Crimson follows the agents as buried secrets and violent visions begin to blur the line between memory and reality.