A possible concise summary is:
This is a transcript of an episode of Gunah, a show about the sins and crimes of people. The episode tells the story of Riddhi, who marries Sagar, but she is the ex-girlfriend of his brother Varun. Riddhi and Varun rekindle their affair and Riddhi gets pregnant with Varun's child. Sagar finds out about their relationship and decides to commit suicide, leaving a note for his mother. The episode ends with the narrator saying that Sagar's death could have been avoided if he had chosen a different path.
Here are the key facts extracted from the text:
1. A young man named Varun is married to a woman named Riddhi.
2. Varun's mother is not aware of the marriage at first.
3. Varun and Riddhi met at a friend's family function.
4. Riddhi is a cousin sister of Varun's friend.
5. Varun's mother asks him to bring Riddhi home to meet her.
6. Varun's younger brother, also named Varun, is introduced to Riddhi.
7. It is revealed that Varun and Riddhi had a past relationship that ended four years ago.
8. Varun and Riddhi decide to keep their past relationship a secret.
9. Riddhi's mother-in-law gives her a necklace that has been passed down through generations.
10. Riddhi breaks the necklace, and Varun's mother is upset.
11. Varun's mother forgives Riddhi, but Riddhi is still upset.
12. Varun and Riddhi's past relationship is rekindled, and they start meeting in secret.
13. Riddhi becomes pregnant, but it is revealed that the baby is actually Varun's, not her husband Sagar's.
14. Varun and Riddhi decide to keep the truth about the baby a secret.
15. Sagar goes to Malaysia for work, and Varun and Riddhi's relationship becomes more intimate.
16. Riddhi tells Varun that she is pregnant with his baby.
17. Varun and Riddhi decide to keep the truth about the baby a secret from Sagar.
18. Sagar returns from Malaysia and is upset when he finds out about Varun and Riddhi's relationship.
19. Sagar is also upset when he finds out that Riddhi is pregnant with Varun's baby.
20. Varun's mother suggests that Sagar should divorce Riddhi and allow her to marry Varun because of the baby.
21. Sagar writes a letter to his mother explaining his decision to leave Riddhi and Varun alone.
22. The story ends with the implication that Sagar has left Riddhi and Varun, and that they will be together.