I just know a little bit of what took place prior to the leap, so for me, the post-leap story is about how Sai and Virat's reunite. If they are really married what would happen to Virat and Sai's story? is probably the question that TV audience is wondering. My mom too was like, "Are they really married?"
The promo: There is no layer to it. It is just showing that the kids will become the catalyst for the meeting. The present status of the three characters are shown. Sai single, and Virat with his current partner or boy's mother. The story is not the meeting between them, the story starts after they meet. Without the current Virat and Patralekha's equation, there might not be much hurdle, conflict, and angst. Patralekha is just the conflict creator and would help in stretching the present storyline for a few months or weeks depending on the TRPs.
With kids already in the show and Ghum story always confined inside Chavan niwas, I feel that generation leap is around the corner.
[One scene I hope, writers do write is Sai and Virat together mourning the loss of their first born.]
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