The Saath Nibhaana Saathiya 2 episode starts with Radhika pushing Gehna and injecting poison into Baa’s 4th drip. Gehna pushes her back and stops the drip. Gehna catches Radhika and drags her along. Anant reaches home and finds family members unconscious. He tries to wake them up. They wake up light-headed. Anant asks if they are alright and where is Bapuji. Paresh asks where has Mota Bhai gone. Anant asks who did this to them. They say a man sprayed something which made them unconscious. Anant asks if they saw his face. Pankaj says no he was wearing a mask. Anant says that man has kidnapped Bapuji. Now only the police can find him. Pankaj asks Anant what about the policeman guarding their house. Anant says even he is unconscious. Kanak thinks Sagar and his 4th partner are planning something dangerous.
Sagar’s 4th partner calls Anant and orders him to give his project file in exchange for the family’s safety, Anant agrees. Gehna takes Radhika to Baa’s room and asks how can she stoop so low that she tried to kill Baa. Radhika says she wanted revenge from Anant and Gehna for hurting her but that doesn’t mean she will think of harming Baa. She was only following Sagar’s order as he threatened to kill her. She says she added hypnotic drug and not poison. Sagar calls Radhika, Gehna tells her to put it on speaker. Anant remembers Bapuji telling him to not think about Nation while serving the country.
Sagar asks Radhika if she injected the old lady. Radhika says yes, he tells her to meet him at his usual place in 30 minutes. Sagar thinks Gehna defeated him before, now it’s his time to defeat her badly. Gehna enters Sagar’s den in a burqa, he welcomes her. She says she knew he will identify her and asks for the name of his 4th partner. Anant leaves the file at the 4th person’s given address. Krishna wearing a mask comes to collect the file. Anant catches him and beats him. He removes his mask and is shocked to see Krishna.
Sagar tells Gehna that his 4th partner is her family member and the person’s name starts with K. Anant gets angry at Krishna for betraying his family, Krishna pleads to let him explain. Anant keeps beating him and asks where Bapuji is. Gehna says there are many family members with K initial, but now police will arrive and force him to reveal the name. Gehna notices that there is a voice recorder with a dummy instead of Sagar. The inspector comes and tells her not to worry as Anant has caught the 4th member. Gehna is shocked to realise it’s Krishna.