A young woman in Paris goes to a party in the enormous labyrinth of limestone tunnels beneath Paris. When she becomes separated from her friends, she is convinced something is chasing her through the dark tunnels.
Between 11:50 and 12:00 noon, a crime is commited. In the same ten minute period, we follow the lives of the ten people, all connected to this crime. As we see each person's point of view, we are propelled closer and closer to the truth of what exactly happened...and why.
A Hollywood tour bus driver poses as a screenwriter to romance an up-and-coming young actress.