Grandmaster

IG Chandrasekhar leads the Metro Crime Stopper Cell in Kochi, pursuing a chilling string of murders. He arrests Jerome and rescues three kidnapped girls, but his personal life with ex-wife Deepthi adds complexity to the case. He faces an anonymous mastermind known as 'Z' and must outmaneuver him using strategic thinking, including chess-inspired gambits.

A lawyer and Chandrasekhar's ex-wife; She defends Jerome and later reveals the involvement of the three murdered women in Paul Mathew's death. Her professional persona clashes with personal vulnerability as she becomes a target and ally to Chandrasekhar. The dynamic between them drives the emotional core of the story.

A psychologically deviant man who kidnapped three girls and becomes a central case early in the investigation. He is arrested by Chandrasekhar and sent to a psychiatric facility rather than a prison sentence at Deepthi's urging.

A wealthy NRI whose lingering murder becomes the pivot of a larger conspiracy. The three murdered women were allegedly involved in his death; Chandrasekhar previously investigated this case. The case's legacy haunts the present investigation.

A psychiatrist running a facility where Jerome is treated; He becomes a suspect in the murders as Mark's plan uses him to mislead. His involvement adds a red herring to the investigation.

A religious fanatic disguised as a salesman who appears at every crime scene and is manipulated by Mark to commit the final murder. He becomes a key figure in the mastermind's scheme and is linked to the earlier murders.

Paul Mathew's younger brother; The mastermind behind the murders. He disguises himself in various roles and orchestrates the crimes, exposing his vendetta and calculating nature. Chandrasekhar finally corners him after a tense confrontation.

Chandrasekhar and Deepthi's daughter; She is involved in a school play and becomes a focal point when she goes missing during the investigation, heightening the emotional stakes for her parents.

A coffee shop owner and one of the murder victims; Her death in the sequence triggers part of the alphabetic pattern the detective must decipher, tying into the Paul Mathew case.

A famous singer and victim in the murders; Her death contributes to the chilling pattern and raises the profile of the case within the city.

A leading businesswoman and murder victim; Her death links back to the intertwined web of the Paul Mathew case and the killer's broader plan.