Yeh Hai Mohabbatein's April 16th episode: Raman takes Adi, Ruhi and Ishita for a dinner, where they enjoy a sumptuous meal. Ishita suffers from a severe toothache at night. Everyone tries to find out a dentist for her. Romi recalls that he met the caretaker of a dentist’s house. He takes Raman and Ishita to the dentist’s house.
Ishita discovers that the dentist is none other than Subbu, her first fiancée who broken the relationship due to the reason of her infertility. Ishita insists on leaving the house promptly. Sujata comes out and tells Ishita to stop.
Ishita is more surprised seeing Sujata with Subbu. Sujata says that she is Subbu’s mother-in-law. Subbu is repentant for his behavior with Ishita. So, he wanted to help her in Ruhi’s custody case. He requested Sujata to help Ishita without exposing her true identity.
Subbu also contacted Bala, who broke all ties with him after he refused to marry Ishita. He requested Bala to help him in Ruhi’s custody case. Bala agreed to help him as he too wanted to bring Ruhi back in Ishita’s life.
Ishita says that she will remain thankful for Subbu’s help, but she cannot forgive him for what he did previously. She wants to leave. Subbu requests her to allow him at least to check her teeth, only as a dentist. Raman agrees with him.
Ishita tells Raman that she does not want any further treatment from Subbu, as she does not want to recall her painful past. Subbu tells Sujata that he is feeling bad in Delhi. She tells him to concentrate on his job. Raman thanks Bala for what he has done for Ishita.
Bala tells Raman to go for a trip, as the last few days were extremely stressful. Raman says that Ishita cannot travel with her broken leg. Ishita feels bad.