love until eternity

Ishita's younger sister purvi is getting married to her ex-husband dushyant's brother kavin, but the situation is made more strange for her when she starts to have dreams at night of falling in love with her husband again, but in different time periods of time as different people, not knowing which time she'd end up in everytime she goes to sleep. But what she doesn't know is dushyant is having dreams of them falling in love all over again, but what happens when everything starts to crumble even in these sweet dreams?