What if someone close to you suddenly disappeared without a trace? Days, months, then years pass and there's still no answer. Où es-tu tells the story of those families, those friends who have lost someone close to them without any explanation. Marie-Claude Barrette follows them in their quest to find out what happened, and takes a close look at the biggest chapters of their lives. Together, they try to find new answers to old questions. Be prepared for courage, love, tears and impossible hope.