Here's what I think will happen....
On the 'honeymoon' Samar will try and kill Gauri, but fail each time, and then maybe they will talk, and they will realize that neither of them killed Nikhila
And then they will team up (like before the leap) and try and find Nikhila's real murderer. An also maybe fall in love in the process.
After nabbing the killer, they might have to solve a couple of other problems, before everything becomes okay
Then I think a generation leap will happen, and they'll focus on a grown-up Om, Prem and Shanti
And then Shiv will come back!
Yuks