Koothara

Koobrin, Tharun, and Ram meet in college, skipping classes and navigating an intense engineering curriculum. Each man carries a different pressure: Tharun to support his family, Koobrin longing for a motorcycle, and Ram drifting with wealth and ease. Their hostel life and early days with Chandran sir's quiet influence cement a reckless but loyal friendship.

Ram falls for Shilpa, a shop worker nearby, while Koobrin pursues a string of college flings. The trio's carefree days mask the seeds of later consequences as relationships deepen and rivalries emerge. Their bond remains the one constant as life starts pressing in.

During the college festival, Shistha betrays Koobrin, triggering outrage and a public confrontation. The scene exposes the fragility of their early trust and erupts into a harsh consequence: the trio is expelled from the college. The event crystallizes the gap between their dreams and their harsh realities.

With education cut short, the friends scatter to face a tough future. Tharun accepts a painter’s life to support his family, Ram endures belittlement at home while trying a string of jobs, and Koobrin is sent to a seminary to train as a priest. Their individual struggles foreshadow the delays and detours ahead.

Even as their lives stall, a wedding within Chandran sir's circle highlights how far they have fallen compared with their peers. The ceremony serves as a bittersweet reminder of lost potential and the distance between dreams and reality. The moment deepens their resolve to reinvent themselves.

The trio rebrands as entrepreneurs and launches an IT startup called Yellowtooth. They borrow from home and plunge into ambitious investments, buoyed by a belief in a brighter future despite their lack of managerial experience. The venture brings a new sense of purpose, even as nerves fray.

Yellowtooth's rapid growth outpaces its capability, and mismanagement and overconfidence drive the company toward bankruptcy. The crisis strains old friendships, but Swathi—a neighbor and stabilizing presence—offers quiet support during the chaos. The dream collapses into debt and doubt.

With employees gone and finances ruined, the trio decides to shut Yellowtooth down. A late-night encounter with a mysterious group of fishermen lures them toward an oceanic venture promising enormous profits. The lure of easy money masks a dangerous trap.

Through Swathi’s help they mortgage Shilpa’s property to buy a seaworthy-looking boat named AK47 from Usthad Sali. They discover the craft carries a dark reputation and a string of tragic incidents at sea. Trusts are tested as they realize they’ve been drawn into a risky deal.

The inaugural voyage tests their nerve as a fierce storm pushes them to the brink. A near-fatal encounter with the sea leaves them stranded until Usthad Sali reveals he engineered the trap in revenge for their meddling. The trio faces a harrowing moral choice in the wreckage.

On the AK47, Tharun confesses a past affair with Swathi, further fracturing the fragile trust among the friends. The revelation compounds the danger and raises questions about loyalty, guilt, and what kind of men they want to be. The moment becomes a pivotal test of their friendship.

Refusing to surrender, they repair the boat and return to fishing, leveraging hard-won lessons to rebuild Yellowtooth’s footing. Slowly, their relationships mature: Ram marries Shilpa, Tharun marries Swathi, and Koobrin starts a relationship with Roshni. A wedding night prank exposes Tharun as the father of Swathi’s child, adding a new layer to their tangled lives. The tale closes with Koothara narrating the story to his son as Usthad Sali swims with mermaids in distant seas.