Éric and Patrice have been close since their high school days. As time has passed, their lives have diverged significantly: Éric embraces a hedonistic lifestyle, constantly seeking new romantic conquests, while Patrice leads a structured life as a devoted father and husband. Following a night of heavy drinking, the two old friends are mysteriously transported back to the year 1986, when they were just 17. This unexpected journey to their past presents them with a unique chance to alter the course of their futures. How will they seize this opportunity for a fresh start?