Simon and Stéphanie, both in their 40s, are a happy couple. They share the joys of life and all the little moments that enrich their life journey together. Yet is that journey a straight road or a winding one? Could one small pebble halt the flow of this love life? What a disaster, on a beautiful Sunday morning, when disease and suffering disrupt savagely this wonderful harmony. Can a past love relation save one of today? Who, what, why -- so many questions gnawing the relation into one of doubt and resulting in anger and even hatred. Can the treason be forgiven? Will love be stronger than sorrow and detestation?