-SEQUEL of Us Til Infinity- Four and Tris are so happy together, that they thought nothing can destroy their relationship but once the new initiates come, and a girl named Kat falls head over heels for Four, and Peter returns to clear his feelings for Tris, there so-called perfect relationship is put to the test. (PlS read Us Til Infinity first before this) (PHOTO (c) weheartit)