In the darkness, a clock ticks. Aging antique dealer Jesús Gris marks his time with his granddaughter Aurora, and his wife Mercedes. Señor Gris comes to possess, quite accidentally, the ancient Cronos device. The invention of a sixteenth century alchemist who fled to Mexico during the Spanish Inquisition, it grants eternal life and youthful vigor to the user. The only drawbacks are marble white skin that burns under sunlight and an insatiable thirst...