Agastya, a math prodigy, prevents a fellow student from jumping off a building using maths. He shares a bittersweet dinner with his mother, Vinita, marking his father's abandonment. As Vinita explores dating, Agastya navigates his own breakup. A bookstore encounter with a woman, where his math skills fail him, leaves him baffled. The next day, a new math professor inspires an idea to help Vinita.

Agastya hacks a dating app for Vinita, but his algorithm picks terrible dates. To get into his professor's class, he must find her a home, but his data-driven approach fails. His professor teaches him to temper genius with real-world observation, inspiring him to create a new and improved dating algorithm. Meanwhile, Annie hides a secret.

Agastya refines Vinita's dating profile with verified data, finally leading to successful dates for her. Ira allows him to attend her class. Vinita's real estate deal collapses due to Abhimanyu. Annie ends up in hospital due to the pills, leading to a fight with Agastya. Agastya shares his algorithm with Ira. Vinita encounters Abhimanyu again, who apologizes to her.

Vinita and Abhimanyu connect, but Agastya forbids her to date him, fearing it will disrupt his algorithm. At Ira's party, Agastya meets Heartset's founder and discovers that Ira worked on that algorithm. Ira suggests that she and Agastya create a new algorithm. Annie confesses her feelings for Agastya. Agastya discovers that Vinita is still seeing Abhimanyu.

Agastya confronts Vinita. As he remembers his father's abandonment, he suffers a panic attack at college and is helped by Annie. Ira challenges his bias against Abhimanyu. Agastya asks Spidey to hack Abhimanyu's social media. At a concert, Agastya and Ira both feel unwell from a spiked drink.

Agastya schemes to end Vinita's relationship. Ira suspects Agastya spiked her drink. Annie reveals her past trauma to Agastya, resolving their past and inspiring a memorial for her brother. Vinita receives incriminating photos of Abhimanyu. Agastya is late for the memorial, causing a rift with his friends. Agastya and Ira share a tender moment. Agastya faces a stark realization.

Agastya confesses his feelings to Ira. Abhimanyu reveals some jolting news about Agastya, shocking Vinita. Agastya has a meltdown when confronted. As his graffiti wall is destroyed, he has a breakthrough in his algorithm. Ira is pushed to make a tough decision. Overwhelmed with everything, Agastya gets into trouble.

When Agastya goes missing and lands in jail after a fight, his friends bail him out. As he navigates his mother's hurt because of his actions and receives an enlightening letter from Ira, he is forced to confront the limits of logic and maths in matters of the heart and human connection. He learns that some things-like love-can't be calculated.