1. The Immortal Smile

A quiet rural police station on the verge of shutting down is suddenly thrown into action when a shocking discovery emerges.

2. The Enigma

The frustrating search for the head's identity starts yielding unconnected stories from unexpected sources. The policemen finally get a clue, and it is an elephant.

3. Queen of the Arabian Sea

In Kerala, Sidharthan and Thangamudi find the elephant and reach the place where Muthu worked years ago. A bomb blast at an orphanage becomes a new puzzle to solve.

5. Sleepless City Blues

The relationship between Muthu and Meena in Madurai comes to light. A chance encounter in the forest reveals how Muthu's courage set Benny's political journey in motion.

6. Things Fall Apart

Sidharthan finds Jessy, who narrates Muthu's stint at the orphanage a decade back, ending in a bomb blast. Benny agrees to meet the investigators.

7. Friends, Foes and Fortunes

Benny reveals more about Sivendra's secretive life and a long-standing rivalry. But Sidharthan suspects there's more to the story than what he's being told.

8. Separation

Meena confides in Jessy about the final days she spent with Muthu. With this lead, Sidharthan finds Bastin, who completes the story of Sivendra and Johny.

9. Nemesis

At a vibrant temple festival, a new side of Muthu comes to light as rising tensions among local youths spiral into chaos. The night takes a dark and unexpected turn.

10. Sacrifice

Pattalam Babu reveals to Sidharthan how Johny targeted Muthu once he was released from prison and its horrific consequences. The inspector finally pieces everything together.