Diya Aur Baati Hum's October 30th episode: The Rathi house becomes busy with the preparation of Karva Chauth. Mohit comes to Lalima’s shop. Lalima understands that he is expecting some money. She gives him an envelope. Mohit appreciates Lalima’s intelligence. He says that he would like to give her some free advice. He tells her that Bhabho does not like Sandhya’s police duty and Lalima must use this clue!
When Sandhya comes back from her duty, she sees that the children are playing with plastic guns. Ved says that Lokesh has given the guns to them. Sandhya goes to her room and locks her service revolver inside the cupboard. She comes to play with the children.
Lalima comes to Sandhya’s room stealthily. She opens the cupboard and takes the revolver. She thinks that the weapon will play a big role to finish Sandhya. She keeps the gun openly with other playthings.
Meenakshi picks up the gun and says she would like to take a selfie with the gun. Mohit returns from his work. Meenakshi stops Mohit and targets him with the gun. She says that she is in a playful mood while the children are playing with Sandhya. Mohit laughs.
Lalima thinks she must attract Sandhya’s attention towards the matter. She intentionally staggers and pushes Sandhya. Sandhya sees her service revolver in Meena’s hand and snatches it quickly.
Bhabho erupts when she comes to know that it was a real gun, which could take Mohit’s life! Sandhya says that she locked the gun inside the cupboard, but Bhabho refuses to believe her. She says that Sandhya’s job will ruin the family; so, she will never accept Sandhya as her daughter-in-law! Lalima tells Lokesh that she will launch her master plan on the day of Karva Chauth!