PK joins a new school, but trouble follows him. Parvathi, the vice principal, plans to fix the school's prestige by forming a basketball team, but PK has sworn off the game.
Disappointed with PK's behaviour, VP demands to see him, but he skips school to avoid facing her. Worried, Abel tries desperately to reach him.
PK goes back to school in search of the person who put the joint in his bag. He is sent to the VP's room and gets rebuked for ruining the school's reputation.
Chandru suffers as his family is stuck in a complicated situation, and his sister is his only moral support. He vents his frustrations on PK, and PK does not back down.
PK and Chandru face VP's wrath, but things take an unexpected turn for them. PK recollects events and incidents from his previous school, and gains perspective towards this school.
Cultural fever begins at KB School. PK gets a bitter-sweet surprise on his birthday. While Guru and Kalidas decide to partake in fashion show, PK is in a dilemma about his past.
PK meets Sanjana, and they share an unexpected evening together. Influenced by the experience, PK realises he needs closure, leading him to play once more for that elusive victory.
PK convinces the VP to let him assemble a team, but she refuses his request. Meanwhile, Guru and Kaali are in the process of recruiting girls for the fashion show.
PK tries to introduce basketball, hoping to form a team to compete in a tournament, but encounters a lack of interest. Meanwhile, Guru and Kaali's friendship is put to the test.
During the cultural fest, PK sets out on a mission to find players for his basketball team. Elsewhere, Fara befriends a guy online and invites him to meet her at the event.
As PK and Jade bond, he throws down a challenge to his rival basketball team. Later, the cultural fest spirals into chaos, dragging Abel into a nightmare.
Except for PK and Jayanth, the rest of the suspended students return to school. Meanwhile, inspired by the chaos that happened at culturals, Guru writes his own film.
PK unites with his former coach and finds motivation. Friends gather for Jayanth as PK trains the team, while VP pushes the management to approve the basketball team.
Fara and Kaali go through a rough patch with their families, while Guru and Kaali get into a fight. Amid all this chaos, PK finds it challenging to manage without a coach.
Vettri steps in as the KB team's unofficial coach but continues losing as PK waits for his first win. PK must decide whether to compete in a tournament hosted by his former school.
A frustrated PK considers withdrawing from the tournament. Chandru worsens matters by fixing a match without the team's consent.
PK decides to join the SPI school tournament with his team, but just as things fall into place, everything begins to fall apart. Can PK still claim victory?
