Whistle

Jeeva is the college magazine editor with charm and perceptive instincts. He navigates a secret romance with Anjali while staying focused on uncovering the truth. He helps reveal that two Nagas are behind the murders and fights to stop them.

Anjali is a strong-willed student in love with Jeeva, quick to question events and skeptical of easy explanations. She carries a police record from school days and drives the inquiry with her sharp instincts. Her discoveries push the group toward the brutal truth.

Maya is an RJ with a bold demeanor and a hidden motive. She is one of the two Nagas behind the killings, driven by revenge linked to past trauma. She collaborates with Baji to execute murders while masking it as superstition.

Sharmi is Anjali's roommate and a college radio operator who sits at the center of the friends’ network. She becomes a victim as the killer's spree tightens its grip on the campus. Her presence marks the fragile trust within the group.

Vinod is the group's prankster whose tricks complicate the investigation. He is killed as the murders escalate, and his pranks contribute to confusion and misdirection. His death heightens the sense that the killer is among them.

Professor Pannerselvam is a skeptical lecturer who anchors the Naga myth in academic terms. His caution and knowledge make him a focal point of suspicion, and his murder becomes a turning point in the investigation.

Barath is a member of the inner circle who disappears during college events and is later linked to the killer duo. His vanishing and subsequent death heighten the campus’s sense of danger.

Meera is a drug-addicted member of the group whose troubled life adds depth to the campus’s shadows. Her attack and death contribute to the escalating mystery and the survivors' fear.

Baji is the hostel watchman who becomes part of the killer duo with Maya. His involvement intensifies the chilling atmosphere as the safe spaces of college life are breached. He is ultimately killed by the authorities.

Saravathy is the junior student who was taunted by Anjali's group in school; her death becomes a catalyst for revenge. Her memory fuels the motive behind present murders and the survivors' guilt.