Un sábado por la noche, en otoño, Mia queda atrapada en un atentado terrorista en un bistró parisino. Tres meses después, sin poder retomar su vida y recordando sólo fragmentos de aquella noche, Mia decide investigar sus recuerdos para encontrar un camino de vuelta a la felicidad.

A TV weather girl is torn between an older man, a famous married author whom she loves but who won't leave his wife, and a semi-deranged young heir to an industrial fortune who loves her.

A young French police inspector, Christophe Vade, is assigned to investigate some mysterious murders in a village in the Swiss Alps. His superior is a man named Thurston, who uses some unorthodox methods to fight crime. Vade’s investigations lead him to a wealthy industrialist, Gardella, a dangerous and powerful man.