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Ignoring his family’s hatred, Karna fulfils their needs. He then aids a pregnant woman stuck in traffic to deliver her baby. Later, Nidhi resolves to confess her love to him.

Ramesh reminds Karna of their deal. Mahalakshmi reunites with her childhood friend Shanthi. Later, Nayanatara fumes as Karna chooses to operate on an auto driver’s wife over a wealthy man's daughter.

During an operation, Karna guides Karthik via video call. Nidhi beams as Karna thanks her. Later, Nithya informs Shanthi about her wish to marry Tejas, while Mahalakshmi asks Karna for a promise.

Tejas wins hearts at Nithya’s house with his charm. Later, Nithya argues with Karna when he refuses to help her friend with an abortion. At Mahalakshmi’s request, Karna visits Nidhi’s home.

Karna's kindness surprises Nithya. After a doctor is hit, Nayanatara sparks a doctors' strike, but Karna defies all to operate on a patient with Nidhi's help, only to face a tragic, lifeless newborn.

Karna expresses his gratitude to Nidhi for saving the baby, praising her in front of the other doctors. As he offers to drop her home, she stuns him by confessing her love in the middle of the street.

Nidhi speaks against Sanjay, questioning the undue leeway he’s given. In retaliation, Sanjay stirs trouble for her by jeopardising a patient’s life, leading Nayanatara to expel Nidhi from the college.