Arjun is about a rebellious cop with an attitude, Arjun Raute. He becomes a part of Emergency Task Force (ETF) and solves mysterious crime investigative cases, which no one else can. But he doesn't hesitate to break any rules of the system and only believes in solving the crimes and helping the victims or affected families.
Arjun has earned a bad name for himself in the department and is thought to be the most unlikely candidate to head the ETF. But his ability to solve the case, his skill and technique is uncomparable and so he has been chosen. He is accompanied by an equally capable ETF team and together they will help fight crime and criminals.