As the dreams of Didier Mathure, a brilliant space engineer, literally go up in smoke when his rocket explodes on take-off, he is transferred to head GEPAN, a unit specializing in UFOs. He is tasked with coming up with scientific explanations for the UFO sightings that are currently dominating the headlines. This is a nightmare job for a die-hard rationalist like him, and he is determined to find a way out as soon as he can.

In the near future, Paris is divided into three zones that separate social classes, and no one can escape ALMA, a predictive AI that has revolutionized law enforcement. When ALMA’s creator is assassinated, Salia, a top agent, and Zem, a jaded cop, are forced to work together to solve a murder that may expose the dark secrets of the system they serve.

8-year-old Vicky has a mysterious gift: she can recreate any scent she comes across, even that of her beloved mother Joanne. When her estranged aunt Julia suddenly returns to town, the invocation of her fragrance plunges the young girl back in time to unravel a past replete with family secrets.

A professional cellist has an encounter with a stranger on the subway which has unexpected and far-reaching ramifications on his life.

A 17th-century nun becomes entangled in a forbidden lesbian affair with a novice. But it is Benedetta's shocking religious visions that threaten to shake the Church to its core.