Victor, a disillusioned sexagenarian, sees his life turned upside down on the day when Antoine, a brilliant entrepreneur, offers him a new kind of attraction: mixing theatrical artifices and historical reconstruction, this company offers his clients a chance to dive back into the era of their choice. Victor then chose to relive the most memorable week of his life: the one where, 40 years earlier, he met the great love. A couple in crisis. He, disillusioned, sees his life upset the day an entrepreneur offers him to plunge back into the time of his choice.