Sathyan

Set in 1995, Mark, a skilled mechanic and the son of a former gangster, stumbles upon a phone that has the ability to connect with the past, tries to save his estranged mother from a grim fate. While facing his own family's legacy, Mark must navigate through dangerous consequences of altering the past, as it causes unforeseen repercussions in the present.

Two rival gangs with a history of violence rule the roost in Chennai. An upright youngster, Vijay, is pulled into their never-ending power play and has to give up his hopes of becoming a police officer when he resorts to violence.

A father grieving his late wife joins a team of journalists investigating a series of interconnected murders.

A stranger keeps calling the police control room to hint about various crimes and accidents that are about to occur in the near future. Can the police department stop an accident based on his information and also find out who their mysterious informer actually is?