Once we were equals - creatures of the night and creatures of flesh and blood. But the world has changed, the darkness has receded. Most people think that it has completely disappeared, relegated to fairy tales and horror stories. If only everything were so simple... The creatures of the night created a refuge for themselves. The haven of darkness is not a place, but a time. Her creatures live there to this day, accumulating strength and waiting. However, among people there are those who are able to invade the refuge of darkness. For Melissa, the gift of reading thoughts and perceiving the emotions of others has become a curse. Rex Green has devoted himself to studying the "science of midnight" - a nearsighted, bespectacled man, he clearly sees the traces left by the creatures of darkness and secret signs. Desdemona is adored by mathematics teachers - she can instantly perform calculations of any complexity in her head. Jonathan enjoys life every midnight - with the onset of the secret hour, gravity becomes almost no power over him. Jessica Day is new and doesn't look like any of the night owls. She herself does not know what her gift is...