Maison Vallin is known as the house that governs time. But when the enigmatic watchmaker Monsieur L. completes a forbidden prototype, the world holds its breath for a single impossible moment and something begins to look back.

Accidents multiply, seconds disappear, shadows move out of sync. Inspector Maurer uncovers a pattern no one can explain: time itself is starting to fracture.

And at the center of the break sits a man who thought he could control time until it begins to control him.