Yann who is trying, albeit unsuccessfully, to cope with his life generally and especially bereavement decides to look up Thomas, his best friend from high school. Thomas is the same crazy character as he ever was and between them they cook up a plan to recreate Yann's birthday party from their high school days and get all their old friends to come along. This means locating their friends and a journey to visit and convince some of them to join in their plan. How their friends have changed, their lives and the revelations provide plenty of humor. But why is his friend Thomas just the same as he ever was ?