Raphaëlle Bayard's daily life is turned upside down when her partner and their son both suddenly disappear. What follows is a breathless quest to find them, to understand what really happened, to decipher their motives, and to deal with the many public consequences of this private tragedy to which no one is immune. This is therefore the story of what we would do to find our loved ones when we realize that they have now adopted beliefs, values and lifestyles that run totally counter to our own.