The calm before the storm

what will happen when sidhart and sana were living thier happy ever after and sidhart's daughter turns up. what storm will she bring along with her for them.
will his sons except thier half-sister
will sana be able to love her
will sana be able to accept her
will sid be able to accept her
will she always remain his past mistake
what will happen in thier lives
will they be able to mend thier broken pieces and rewrite thier happily ever after