The Marked Hour is an anthology series of horror, suspense, and mystery. Each episode tells a story where the macabre, the uncertain and the terrible invade the lives of different characters in completely different scenarios.

Terror, transsexualism, and an eternal cult film. What is on the mind of horror film director Juan López Moctezuma and his fans, Manolo and Lalo, who are not only obsessed with the Mexican horror film 'Alucarda', but also believe in their hearts that they are its true characters? After finding the director in a psychiatric hospital, they kidnap him to make him remember his gloriously twisted past. An unclassifiable documentary film that uses interviews, stock shots and recreations of a past that may only have existed in the nightmares of its protagonists.

A man named Maupassant arrives at the hospital after cutting off his own hand, convinced that his limb wants to kill him. Obsessed, a nurse named Rosario will begin to wonder if what the patient says is true.

A young woman gets in trouble for wanting to deny her ethnic ancestry.

Pamela, a teenager who aspires to become a famous dancer, is invited to a dance academy run by the mysterious Madame Veronique. Once there, Pamela will learn that to obtain fame she will have to pay a very high price.