V. Gunasekharan Guna, a retired IPS officer, travels to UK for a major brain surgery for his daughter Sana, but Guna lands in trouble and gets imprisoned at Wandsworth prison, where Sandra James is the jailer. Guna learns that three prisoners, working for a notorious terrorist Omar Quadri, are planning to escape the prison to disrupt the G20 conference in India. Guna ruins the escape plan, where he sets out to stop Omar Quadri from disrupting the conference and reunite with Sana.