Cavale (English: On the Run; also known as Trilogy: One) is a 2002 Lucas Belvaux Film with his own script and starred by him.This is the first instalment of a series Trilogy, which constitutes a thriller followed by Two: Un couple épatant, a comedy and Three: Après la vie, a melodrama.Belvaux referred in the DVD commentary that main idea behind Trilogy is that the main characters in a particular story are the secondary characters of others, in such sense the three films happen at the same time and share a series of common scenes and plot points, complementing each other, but also have their own perspective and style.