It's up to route designer Thierry Gouvenou to keep each of the twenty-four stages of the Tour de France exciting. He has a few tricks up his sleeve to force an early breakaway from the peloton to keep the audiences engaged.

Barbara is learning to play the violin and Isabelle is tired of hearing her practice. Barbara uses the situation to her advantage...

An additional witness testifies against the plaintiff Timothée, which incriminates him even further. But there's about to be a twist in the case that will call everything into question.

Thierry Gouvenou explains in greater detail the challenges of a flat stage, as the outcome is often too predictable. It's up to him to design a course that will force riders out of their comfort zone. One solution? A mountain stage and rough terrain.