The plot focuses on two affluent Christian families in
Kerala: John is the owner of Kattadi
TMT steel bars, a business which he has inherited from his late father Chacko Kattadi, a successful businessman and the founder of the steel company. His wife Annamma is a homemaker and son Eesho is a sought-after
creative director at a leading
advertising company in
Bangalore. John's childhood friend Kurian Maliekkal is a
self-made man who grew from humble beginnings and runs an advertisement company. Maliekkal's wife Elsy is also a homemaker, and they have a daughter Anna, who works at an
IT company in
Bangalore. Kurian has a history with Annamma; when he proposed to her, her father despised him for being a "
nouveau riche" and chased him by
unleashing their dog. He sometimes reminisces about this
unrequited love and has named his daughter Anna after her. Nevertheless, the Kattadi and Maliekkal families now share a good bond. Though both John's and Kurian's families are settled in
Kochi city, their roots are in
Kottayam. The families meet at the
wedding reception of their friend Dr. Samuel's daughter. Samuel's son-in-law, Dr. Cyril plans to establish a
maternity hospital network across India. Kurian hopes to grab its
advertising campaign and presses Samuel. It's after a long time that Eesho and Anna are meeting up with their families. Kurian offers his company's creative director's position to Eesho, but Eesho rejects it. However, Elsy and Annamma are impressed by the kids and they think that the two of them would be a good pair. Annamma proposes this to John and Eesho, but Eesho rejects it as Anna and his mother has the same name and when he calls it both will respond and that it might create a confusion, to which John laughs. Elsy's proposal is also declined by Kurian and Anna. Eesho and Anna return to
Bangalore, where it is revealed that Eesho and Anna are in a
live-in relationship and it has been going on for a few years. As Eesho and Anna are enjoying their moments, John and Annamma are also enjoying a happy moment. Things take a turn when Eesho and Anna learn that Anna is pregnant. Eesho initially enquires about abortion procedures but since Anna is against it, they finally decide to proceed. Now they are in a dilemma on informing their parents. Unexpectedly Eesho is called by John to visit Kerala at once, and he gets scared that his father somehow got the news of his girlfriend's pregnancy. But at home, he is greeted with the news that his mother is pregnant, which baffles Eesho. He pushes them for an abortion, but they also decide to keep it. Eesho informs Anna as well about this news. She asks Eesho to inform his parents about her pregnancy as well along the lines "He committed the same mistake as John" and affirms that there won't be any shocks in this case. John also tasks Eesho with informing their pregnancy to his mother (Eesho's grandmother). John and his family arrive at his ancestral home at
Kottayam for attending the
baptism of his brother's child. Kurian and Elsy also arrive there as invitees much to the shock of Eesho, who was planning to reveal everything to John and was not expecting Kurian there. Anna advises Eesho to talk to her father affectionately and break the ice between them. But the plan fails when Eesho accidentally spills
achār on Kurian's clothes, much to the anger of Kurian. Meanwhile, John's mother figures out that Annamma is pregnant and is supportive. After multiple failed attempts, Eesho finally confronts John and discloses the matter, which really shocks John and Annamma. John devises a plan to sort things out without revealing anything to Kurian and Elsy. He promises Anna that they will ask her father for her hand in marriage. Kurian wants to marry her off to someone in the advertising field as he fears his company has no heir since Anna is not into his business and his only hope for the company continuing in his family is through a son-in-law. John asks Kurian about the wedding. Kurian, who do not like Eesho initially disagrees, but later agrees as Anna has agreed to it. Meanwhile, unbeknownst to Eesho, John promises Kurian that Eesho will be his successor. Meanwhile, Samuel informs Kurian that Cyril has agreed to collaborate with Kurian's company if he can present an impressive
ad concept. Elsy meanwhile figures out that Anna is pregnant and pushes for an early wedding date. Meanwhile, Kurian finds out through his friend Jameskutty that Eesho was in a live-in relationship and his pregnant partner was packed off by John, not realising that the girl who was pregnant is his own daughter. Shocked and enraged, Kurien breaks his friendship with John. When he finds that Anna had gone to meet Eesho, and he goes with Elsy to catch them. John and Annamma arrives to tell Eesho and Anna that Kurian misunderstood them and John tries many attempts to reveal the truth, but Kurian doesn't listen to him and doesn't allow him to speak. When the drunk Eesho pokes fun at Kurian for showing off a silly matter, Kurian slaps Eesho and in the scuffle, Anna reveals that it is she who is pregnant with Eesho's child. Elsy, Annamma and John also say that they knew the truth and feared how to disclose it to Kurian. Heartbroken and tricked by his own family, Kurian leaves, but gradually copes up with reality and pardons Anna for tricking him. Eesho tries to make amends with Kurien and presents a catchy ad concept which Cyril approves, winning back the respect and friendship of Kurian. The wedding takes place in a grand ceremony with everyone's approval. During the wedding ceremony, Kurian reveals to everyone that he is going to be a grandfather and John also reveals that he is not only going to be a grandfather, but a father of one more child as well. Months later, in front of a labour room, a nurse calls for Anna's husband, to which both John and Eesho respond and stare at each other. ==Cast==