In the previous episode of Sembaruthi, Akhila is astonished when Gajendran informs her about a legal notice. Akhila fumes when she reads the notice sent by Parmeshwaran. Vanaja, to learn Akhila’s reaction arrives at the factory and stages an act in front of Akhila. Vanaja learns about the notice and using it as an opportunity instigates Akhila against Parmeshwaran. Back home, Arun overhears Vanaja passing snide remarks at Sundaram and decides to teach her a lesson. Later, Akhila teases Adithya as he awaits Parvathy. Adithya and Arun relish the food served by Akhila.
In the next episode of Sembaruthi, Aishwarya stops Parvathy as she serves coffee to the family and passes a snide remark at Vanaja. Vanaja deliberately drops the coffee and asks Parvathy to clean it. Arun and Aishwarya witnessing the incident, try to stop Parvathy, but she refuses to listen and cleans the place.
Arun decides to teach a good lesson to Vanaja and shares his plan with Aishwarya. Unaware of Arun’s plan, Vanaja accepts the challenge to cook. Arun stops Vanaja from seeking Uma’s help in the kitchen to cook, but Vanaja refuses to listen and drags her into the kitchen.
Arun overhears Vanaja’s plan and sets forth a condition to her. Arun suspects Uma’s behaviour and follows her, only to find out the scheme between her and Vanaja. Aishwarya, Arun, and Singaravelan hold Uma at knifepoint and stop her from giving the correct recipe to Vanaja. Uma, finding herself in the trio trap give wrong guidance to Vanaja, as told by Singaravelan. Vanaja is confused as Uma asks her to do a ritual before starting the cooking. Uma asks Vanaja to do a hundred sit-ups. Arun informs Singaravelan that Vanaja is not doing the sit-ups as told.
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