Eclipsed is the story of an innocent teenager living in modern England, who begins to make friends with a group of people determined to take revenge on a society that has mistreated them. Zack (Martin) is pressured into performing a dreadful and horrific act of terrorism on their school. Meanwhile his sister Jessica (Lacy) is having terrible nightmares about the death of their little sister, and she begins to question Zacks new friends.