Ousmane and Mrs Sommers are both ordinary people living ordinary lives, he in France, she in the Channel Islands. He has a son, she has a daughter. they both are students in London. On July 7th 2005, without any news of their children, they decide to start a journey together in search of the two teenagers. Although they come from different religious backgrounds, Ousmane is Muslim and Mrs Sommers Christian, they share the same hope in finding their children alive. Putting aside their cultural differences, they give each other the strength to continue the search and maintain their faith in humanity.