Regai

Synopsis

SI Vetri investigates a medical team that is trying to cover up deaths of clinical trial participants by staging them as accidents. Can Vetri put an end to this sinister plot before it's too late?

First Air Date: 2025-11-28

Last Air Date: 2025-11-28

Number of Seasons: 1

Number of Episodes: 6

Created By: M. Dhinakaran

Networks: ZEE5

View Technical Specifications on IMDb

Top Cast

Bala Hasan as SI Vetri
Pavithra Janani as Sandhiya
Vinodhini Vaidyanathan as Dr. Pushpavalli
Anjali Rao as Divya
Indrajith Aju as Dinesh
Ashok Samrat as Inspector
Poobalam Pragatheeswaran as Maari

Seasons

Season 1 (2025)

SI Vetri uncovers a sinister plot by a medical team attempting to cover up the deaths of young participants in a clinical trial by disguising them as accidents.

Episodes:

Ep. 1: The Dead End (2025-11-28)

SI Vetri investigates the mysterious death of Amudhan, a close friend, but is forced to file it as an accident. Later, Vetri and Constable Sandhya discover blood dripping from an ice cream cart.
Ep. 2: The Fingerprint Revealed (2025-11-28)

Vetri and Sandhya find two severed human hands in the cart. They take them to the government hospital and question Dr Pushpavalli. Later, Vetri realises that Amudhan's death is related to this case.
Ep. 3: The Trap (2025-11-28)

Vetri reopens Amudhan’s case. He goes back to the crime scene and discovers more fingerprints related to the cart case. Vetri and Sandhya talk to the other victim’s families.
Ep. 4: Divya's Escape (2025-11-28)

Vetri and Sandhya nab Divya, who attacks them during interrogation. The forensic department cracks open Amudhan's phone and finds the fifth victim. Divya escapes the hospital after injuring Sandhya.
Ep. 5: The Clinical Crime (2025-11-28)

An unconscious Sandhya is taken away from the hospital. On the other hand, Vetri nabs Divya, who is trying to kill the mortuary attendant. Divya confesses to the crimes, but Vetri gets a threat call.
Ep. 6: And That's How She Died (2025-11-28)

Divya, scared for her life, reveals the main culprit behind the illegal drug trials. As Vetri runs to save Sandhya, he has a masterplan prepared to arrest the one who killed Amudhan and his friends.