A faction transfer to Dauntless who becomes friends with Tris, Will, and Christania and devolps feelings for Tris, which changes in an instant when he kidnaps Tris with Peter and Drew after Tris out scored them in inatition. (Of which Four rescues her from) And then after the incident, Al, asks for forgivness from Tris and she refuses. After that Al commits sucide by throwing himself over the edge of the chasim.