When Philippe loses Evelyne, the love of his life, he discovers Plan B, an organization with an unlikely proposition: revisiting your past. After a successful trial, Philippe realizes the immense power of altering history. He will use time travel to further the interests of the law firm he owns with Patrice (his partner, friend and brother-in-law) and to steer his brother André back onto the right path. But Philippe will discover that even trivial choices have unpredictable, disproportionate effects on his life and that of others. Every action will have consequences.