fire and ice | the divergent series

beatrice prior was never one to back down.
she saw four as a challenge, one that would take a lot of meticulous planning in order to succeed.
four was like ice, cold and unattached. she was like fire, burning bright and steady.
after beatrice joins dauntless, four makes it a mission to push her, and only her, to her limits.
can beatrice break down four's walls, or will be forever be cold as ice?