Remembering

Bella almost died after having Quadruplets, Renesmee. Alirose, Elizabeth, and Carlie (Lily Collins). But a week after the confrontation with the Volturi they mysteriously disappear. What happens when the Cullens are back in Forks? What happens when they find there daughters, who happen to have totally different personalities? Will they ever be able to fix their broken girls? What happens when the Volturi is back?