Maargan (2025) Timeline Explained – Every Event in Order

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1. 1

   Ramya's murder and Dhruv's arrival

   Ramya is murdered late at night by an intravenous chemical that leaves her body numb and unresponsive. Dhruv arrives in Chennai from Mumbai to unofficially take over the investigation, bringing Inspector Shruthi and constable Kaali into the case. The case immediately shows parallels to an earlier tragedy, prompting Dhruv to push for answers.

   When

   Late night

   Where

   Chennai

2. 2

   Investigation kicks off with Karthik and the missing pendant

   Dhruv begins the inquiry with Ramya's boyfriend Karthik, a photographer who is about to work on a Rajesh-directed feature. The pendant chain Ramya wore is missing, and Karthik says it was a gift from a friend with no further details. The missing keepsake becomes a key thread in the unfolding mystery.

   Where

   Chennai

3. 3

   Hooded figure spotted near the crime scene

   A hooded young boy is captured by surveillance cameras near the crime scene at night, but his face is obscured and cannot be identified. The glimpse raises suspicion of a potential accomplice or an eyewitness. The team treats it as a crucial lead to pursue.

   When

   Late night

   Where

   Crime scene vicinity

4. 4

   Pendant clue points to Tamilarivu

   Dhruv spots the same pendant design drawn on a dusty car and collects fingerprint samples for analysis. The forensic results point to Tamilarivu, a swimmer who was previously booked in a drug smuggling case. Tamilarivu becomes the primary suspect in Ramya's murder.

   Where

   Chennai

5. 5

   Tamilarivu interrogated and overwhelmed

   Tamilarivu is apprehended and kept in an isolated room for questioning. He drinks excessive water, chants hymns, and demands the pills he has been taking as the interrogation escalates into violence before he collapses faintly.

   Where

   Interrogation room

6. 6

   Tamilarivu discusses memory and the past

   Tamilarivu tells Dhruv that he is trying to forget memories of his ex-lover Ramya, who left him in the past. He insists he has no connection to the murder Dhruv is pursuing. Dhruv notes the tension between memory, trauma, and motive in the case.

   Where

   Interrogation room

7. 7

   Underwater memory recall draws a clue

   Dhruv pressures Tamilarivu to draw the pendant diagram and trigger memory recall. To retrieve memories, Tamilarivu jumps into the water and holds his breath, an extremely risky procedure. After resurfacing, he recalls the pendant's shadow in the water, providing a crucial clue.

   Where

   Underwater sequence

8. 8

   Aquarium CCTV and a reluctant ally

   Using Tamilarivu's hint, the team retrieves CCTV footage from an aquarium shop near the crime scene, which confirms Tamilarivu's innocence. Dhruv then urges Tamilarivu to help solve Ramya's murder using his extraordinary memory. Tamilarivu is initially hesitant but is moved when Dhruv shares his own tragedy.

   Where

   Aquarium shop vicinity

9. 9

   Dhruv bares his past to win cooperation

   Dhruv opens up about his daughter's murder and his own poisoning, making Tamilarivu feel understood. The memory coaching proceeds with safety and consent, and Tamilarivu agrees to cooperate to rewind his memories further. This alliance marks a turning point in the investigation.

   Where

   Interrogation/Office

10. 10

    Kovilambakkam clue and the owl disturbance

    Tamilarivu's revived memory points to a location in Kovilambakkam, though an owl disturbing his recollections obscures the killer's face. The search shifts toward this suburban area with new urgency. Dhruv and team narrow suspects based on location and timing.

    Where

    Kovilambakkam

11. 11

    Team broadens the net with local help

    Dhruv and Kaali enlist sanitary workers and a blind girl who heard the owl's call to gather new leads. They suspect a team of North Indian drug dealers may be involved and push to close in on the criminals. The investigation expands beyond Ramya's circle.

    Where

    Chennai region

12. 12

    Akhila disappears and Shalini is murdered; Vennila looms

    Akhila, Tamilarivu's sister, goes missing while Dr. Shalini, a cosmetologist, is murdered. The fear of retaliation intensifies as Vennila starts to emerge as a new potential victim. The threat shifts the investigators' attention toward the film industry connections.

    When

    Following morning

    Where

    Chennai

13. 13

    Vennila under surveillance; the industry angle unfolds

    Shruthi secretly installs a spy camera on Vennila, a model who has faced skin tone decisions in the industry. Vennila's backstory unfolds: she underwent skin-lightening procedures at Rajesh's urging, fueling a growing grudge against Ramya and the industry. The case ties fashion, casting, and revenge together.

    Where

    Chennai

14. 14

    Megha is revealed and the motive exposed

    Megha is revealed as Vennila's true identity, driven by trauma over skin color and rejection. She admits killing Priya and Ramya, and she plans to target Sana Trivedi next while also killing Dr. Shalini. Dhruv arrives just in time and shoots Megha, saving Sana; Karthik mourns the industry’s bias that fueled Megha's downfall.

    Where

    Chennai