Young Frenchwoman Mathilde searches for the truth about her missing fiancé, lost during World War I, and learns many unexpected things along the way. The love of her life is gone. But she refuses to believe he's gone forever — and she needs to know for sure.

The young Ali, a second year law student, gets caught up in a student demonstration. The situation escalates, a cop is injured and witnesses designate Ali, of Arabic origin, as guilty.