Rekha, a mother who lives on thorns, wishes to give a life filled with flowers to her daughter, Maha. But fate has other plans when a man they trust betrays them.

As Maha waits for Guna, he is thrilled when Malar shares good news with him. Sakthi overhears his mother talking to his father, an underrated cop, about his lost promotion.

Kasi beats up Rekha to reveal Maha's location. Sakthi is disappointed to see his father being mistreated by his rival Karthick and his dad.

It's the first day of school, and the students of Grade 11-A go through introductions, spats and emotional moments. Meanwhile, Guna introduces a new class teacher to them.

Kasi forces Rekha to accept Malar's call. Nikitha's parents scold her harshly for singing in front of everyone. Karthick insults Sakthi's father in school, enraging the latter.

Elections to choose the class representative become the hot topic in Siragugal. All is not well at home for Yamini and Madhi. Sakthi's father asks him about his first day.

Karthick asks his father for a motorbike with his mother's help. Sasi and Ekambaram settle in the boys' hostel and get unsettled. Danger approaches Maha after she falls asleep.

Yamini and Madhi talk about their choice for the rep election. Sasi and Ekambaram are introduced to the 'friendly' Santhosh Sir. Guna receives a strange parcel.

Guna is disturbed by Nachiappan's threats. The rep election rules bring forth unlikely candidates. Kasi is still hunting for Maha, keeping Rekha captive.

A timetable mix-up leads to an argument between Class 11-A's chemistry and physics teachers. Karthi's mother blames Sakthi for her son's inability to contest the election.

Kasi tries to find Maha's whereabouts through the other women. Ekambaram remembers his promise to his father when he sees Priya alighting from a fancy car.

The rep election results are out, and Sakthi and Maha get equal votes. Kasi's goons get a lead on Maha's location. Will they find her?

Guna feels elated as Bullet returns from his village. As Sakthi's friends celebrate his win, Karthick's attempt to talk to Maha fails. Will Bujji's prank on Sasikumar prove fatal?

Karthick makes Sakthi's first day as the class rep difficult. Guna receives a notice regarding the school. Priya's dad reminds her about their life. Karthick's parents surprise him.

Sakthi shares the news about becoming the class rep with his father. Janani's painful past makes her bond with her friends stronger. Priya finds it hard to accept the reality.

Guna seeks legal help to save his school. Worried, Rekha informs Malar about Kasi's efforts to find Maha. The school committee agrees with Jeeva's idea regarding the road situation.

When Kasi's search for Maha fails in Chennai, he reaches Kanchipuram. Guna and Madan get into a tiff with Kasi's goons while Karthik vents his fury by hurting Sakthi with his bike.

Karthick's father punishes Sakthi's dad for the rift between the boys. Sakthi's dad reports a gang making illicit liquor. Maha gets upset as her friends enjoy her mom's dance on TV.

Madan organises a street play to create awareness about the school's issue. While Maha refuses to act, Nikitha breaks down when her dad warns her not to participate in the play.

Karthick enters the boy's hostel with Bujji. The students deliver an amazing street play and create awareness about their school's situation. But what happens when Kasi spots Maha?

Maha smartly evades Kasi in the crowd. Nachiappan mocks Guna about the street play. Karthick's friends refuse to believe him that Maha was holding his hand during the street play.

Guna's decision to conduct a hunger strike as his next move to save Siragugal School is accepted by the staff. A pregnant Malar too joins the strike along with the students.

The ex-students from Siragugal extend their support by joining the strike. Everyone is shocked when Karthick's father gets his police force to clear the crowd at Siragugal.

To everyone's surprise, Karthick's father lends his support to the cause. Dinakaran handles the pressure from his higher officials. Meanwhile, Sagayam's health deteriorates.

A court's stay order brings relief to Guna and the students. Rekha spots Maha on a news channel, and worries about Kasi seeing it. Meanwhile who saved the school at the last minute?

Guna honours Inspector Dinakaran for extending his support to the school. Sakthi feels his father Palani's efforts are neglected. A proud Karthick gets into a dispute with Ranjith.

Karthick tries to impress Maha with home food. Jeeva's sad past does not stop him from spreading fun in his class. Sakthi stands up for his friends when Santhosh Sir thrashes them.

Sakthi's bold move earns everyone two days to study. Bujji overhears Guna telling the staff about Siragugal School drafting the quarterly exam question papers for the entire district.

Sakthi agrees to teach physics to Madhi and Yamini. Bujji's father warns him and gives him the last chance to pass his exams. Perturbed, Bujji seeks his uncle's help.

Karthick gets punished by Dinakaran when his senior insults him for giving him a bike. He is warned to score better marks than Sakthi. Nikitha gets angry as her parents push her to study.

Madhi and Yamini feel excited to learn from Sakthi. Bujji discreetly shares the question paper with Karthick, John, Ekambaram and Sasi. Doubting Bujji, Mahesh and Ranjith question him.

Santhosh Sir punishes a student for his rude behaviour. Dinakaran gifts a pen to Karthick, who resolves not to cheat in the exams. Nikitha gets upset as her dad argues with a neighbour.

While Bujji's friends thank him for the question paper, Karthick does not tell them that he did not cheat in the exams. Later, he reminds Sakthi about his challenge.

Guna gets a call from the police station regarding his students. Santhosh Sir's letter to Bujji surprises everyone. Guna challenges Nachiappan when he tries to defame his students.

Amazed by their good scores, the class starts to rejoice. But Malar breaks the news about a gang cheating in the exams. Bujji and his pals get pulled up for their misdeed.

Karthick feels dejected as his truth gets stifled. The parents of students who cheated are asked to attend the PTA in school. Sakthi informs his father of what transpired in school.

It is the day of the dreaded meeting. With a heavy heart, Guna informs the parents about what happened. Karthick tries to convince Guna once again that he didn't cheat.

Bujji's father beats him for cheating in the exams. Heartbroken to hear about his son, Dinakaran thrashes Karthick in front of everyone. Karthick breaks down as no one believes him.

Bujji and Ekambaram's fathers get into a fight. Guna plans to hold a cultural event. When Dinakaran punishes Karthick, Bujji, Ekambaram and Sasi welcome him to their hostel.

Maha feels sad for Karthick. While Madan Sir shows his anger through his actions, Karthick maintains that he is innocent. Shakthi is selected as the secretary of the cultural event.

Bujji and his friends plan to partake in the cultural event, but Guna and Malar refuse them. Nikitha gets upset as her father warns her not to participate in the singing competition.

Sakthi and his friends begin their practice sessions. Madhi gets angry as Yamini also brings food for Sakthi. The students feel excited as Agni Siragugal 2024 is inaugurated.

Guna gives an impactful inaugural speech. Nachiappan mocks Guna that his school will not win the cup. Sakthi is declared winner for his impromptu speech in the elocution competition.

Janani's moving poetry bags her the medal. Maha conveys her story beautifully in her drawing and wins first place. Desperate, Modern School students steal Sakthi and team's concept.