When a team of explorers venture into the catacombs that lie beneath the streets of Paris, they uncover the dark secret that lies within this city of the dead.

Céline is expecting her firstborn. But she’s not the one who’s pregnant. In three months, her wife Nadia will give birth to their daughter. Under the gaze of her friends, her mother, and the law, Céline looks for her place and sense of legitimacy.