Beatrice Prior had to be the child that stayed after Caleb left her family for Erudite. Her initiation lasts only a week so her family can recover the loss of Caleb and cope with Erudite's reports. However, when she goes to the train tracks to think about the life she could have had, she meets Four , who gives her an irresistible offer: To be who she wants to become-Dauntless.

A black folder sits on top of my desk. Stamped in white ink across the front, reads Prior Project. Carefully, I sit down in the desk chair and open the file. Inside sits a single picture of a handsome man with brown hair and dark blue eyes. Written in black marker across the portrait - TERMINATE.

Beatrice has always wanted to be a Dauntless but after her brother Caleb chose moving to Erudite, she had to stay at Abnegation for her family's sake. She thinks her life would now be dull, except that when Tobias Eaton moves back into Abnegation and she's assigned to him she finds herself faced with new feelings and challenges