Mozhi

Karthik and Vijayakumar, brilliant rerecording and background score specialists, are introduced as best friends and musicians in Vidyasagar's team. They move to an apartment complex, where they quickly establish their playful rapport. Their arrival sets the stage for a lively cast of neighbors and misadventures. The new living arrangement introduces both opportunities and tensions.

Ananthakrishnan, the irritable flat secretary, is not happy about Karthik and Viji occupying the flat. He insists on vacating the apartment since bachelors are not allowed to live there. This friction foreshadows the social pressures the friends face. The conflict introduces the building as a microcosm of the film's relationships.

Karthik sees a bold girl on the road and is immediately drawn to her. He later discovers that Archana, a deaf and mute girl, lives in the same apartment with her grandmother. This encounter sparks the central romance of the story. Archana's quiet strength contrasts with Karthik's energetic charm.

To communicate with Archana, Karthik seeks information from her friend Sheela and begins learning sign language. He hopes this will help him win her over and build a life together. The effort also deepens his friendship with Viji, who supports the plan. The learning journey marks a turning point in their budding romance.

Karthik formally proposes to Archana, but she fears that their child would inherit her disability and be abandoned again. Her insecurities drive her to turn away, creating distance between them. This rejection leaves Karthik heartbroken and perplexed about their future.

Karthik explains that Archana's father did not know about her disability, and he may have reacted differently under the circumstances. He tries to reassure her that acceptance is possible for Archana and their future children. He pleads for trust and understanding, not fear.

Despite his pleas, Archana avoids him, leaving him to cope with a broken heart. The distance tests their bond and pushes Karthik to reconsider what love truly means. The tension also mirrors the larger theme of fear versus acceptance.

Professor Gnanaprakasam has become unstable after his son Babu's death and clings to the year 1984. His grief manifests as detachment from reality, creating a separate thread in the story. This subplot shows how loss can shape a person's mind and life.

Karthik steps in to help Gnanaprakasam confront the pain of losing his son, guiding him toward acceptance. The interactions reveal Karthik's empathy and maturity beyond his musical talent. The professor's breakthrough begins to restore his stability.

Ananthakrishnan's romantic pursuits go awry, but he learns to value Karthik and Viji for who they are. Karthik's support of the professor helps him see the value of friendship. The arc shows how the apartment's residents influence one another.

Vijayakumar (Viji) falls for Sheela, a widow, and the couple's relationship quickly moves toward marriage. Her parents are supportive, and the wedding is arranged. The developing romance adds a new dynamic to the group.

Archana decides not to attend the wedding to avoid being around Karthik, which strains her friendship with Sheela and affects the group's harmony. Her insecurities resurface and create emotional tension. The event serves as a turning point in Archana and Karthik's relationship.

Karthik challenges Archana to face her insecurities rather than hiding, and she breaks down. On the wedding day, she finally confesses that she loves him. This confession resolves the central romantic conflict and heals their rift.

The story ends on a happy note as Viji and Sheela get married and congratulate Karthik and Archana. Archana's confession seals a hopeful future for the couple. The ensemble's arcs conclude with warmth and a sense of community.