Kundali Bhagya 21st December 2018 Written Episode Update

Preeta asks Sherlin to tell her regarding the month of pregnancy, Rishab gets shocked and she says that she can help her I any medical problem, Karan takes her to the room and Rishab also follows, he is not able to leave but Karan forces him to go saying otherwise the person will leave, he leaves and Karan says to Sherlin to not worry and that he will make lemonade.
Preeta saying this leaves and Shrishti also follows her, Karan goes after her, they start to argue and Preeta gets mad saying that he must not be so careful for Sherlin, se leaves, He asks Shrishti about the problem which Preeta has, she says that it is nothing but that Preeta is jealous if him for saying good things to Sherlin, he says that she is just mad and then when he reaches her he says that he was just caring for Sherlin

not make Rishab go to Rithwik, she pays no heed and leaves, Karan thinks that he will also go after giving Sherlin the lemonade.
Prithvi is taking a bubble bath and then he gets a call from Luthra’s landline, he picks it up and it is Sherlin who warns him that he must go to the hotel in a hurry to stops Rithwik from telling Rishab the truth because if his happens then their plans will fail and Rishab’s also agreed to make Rithwik their partner, she sees someone coming, but when she puts the phone it is Karan who asks her who she was talking to, she defends herself, Karan in an attempt to know of the person tries to redial the number but she quickly wends the call making Karan suspicious, he calls Karina asking her to come to help Sherlin so he can leave, when he is going he wonders what is wrong with Sherlin.
Preeta and Shrishti are trying to take a ride in an auto but no one is stopping and they both start to have a fight, Shrishti says that she knows why Preeta is angry and it is because of the lemonade, she starts to scold her, Shrishti seeing he anger gets away from her by making an excuse that she will get the auto from some other place.
Preeta thinks of what is happening to her and why she is being so jealous, Karan was only caring for Sherlin so that he can make Rishab go away and even if they have something then why is she being so protective.
Preeta calls Rishab asking if has reached he says that he has just parked the car, he ask her why she is on the road, she says hat she was saying to Shrishti to not hurry but she insisted and thy had to come, he says that he has to talk with Karan and must end the call, Preeta says that he has to say sorry to him because she was the one who told him to sign the contract an now he his Rishab partner. He says that it is because of her mistake that they are close to finding the name of the mastermind, Shrishti starts to pull his leg, Preeta scolds her, requesting Rishab to pay no heed to her words, she says that they have got the auto and will reach soon. Rishab after ending the call gets frustrated and enjoys how beautiful Preeta is and how much he likes talking to her.
Preeta turns to Shrishti and is running after her to beat her, she stops her, Shrishti says that she is not able to understand why Rishab loves her because she is rally fat, Preeta gets really annoyed, She says that she feels that Rishab loves Preeta and Karan also has feelings for her, Shrishti is not able to comprehend what Preeta wants, She tries to put the blame on Shrishti but she ask her to not involve Sameer, they enter the auto, he also praises their sister bond.
Prithvi gets a call from the hired Person who is going to kill Rithwik, he gives instructions to in to make it like an accident and leave no trace of the person, and Prithvi also identifies the car and the make and model.

Precap: Ritwik is being hit by the truck driver again and again and then his car slams into a tree.

Update Credit to: Sona