For decades, Omar Yussef has taught history to the children of Bethlehem. When a favourite former pupil, George Saba, is arrested for collaborating with the Israelis in the killing of a Palestinian guerrilla, Yussef is convinced that he has been framed. With George facing imminent execution Yussef sets out to prove his innocence. As Yussef falls foul of his headmaster and the local police chief, time begins to run out for this teacher-turned-detective. His classroom is bombed and members of his family are threatened. But with no one else willing to stand up for the truth, it is up to Omar to act, even as bloodshed and heartbreak surround him.