Pothina Doondeswara Rao

When Criminal Investigating Officer, Amarnath is murdered during the line of duty; Intelligence suspect it is the handiwork of foreign criminals who wants to destroy India with the help of some Indian traitors thus secret agent, Gopal is sent down to investigate. He meets and fall in love with Sunita who then introduces him to her dad, Damodar. Gopal also find out that Damodar is a mere pawn in the hands of the same criminals he is looking for and must continue his investigation to reach the mastermind.

Gopal is constantly haunted by the tragedy that took place in his childhood. His youthful elder sister Sita and his younger brother Jagan were abducted by villainous Gulshan and his men. Gopal's mother dies with this shock, before innocent Gopal's eyes. This tragedy leaves a deep and an unerasable scar on Gopal's heart and mind. Revenge becomes his motto.

After the murder of his fellow agent, who uncovered evidence against a ruthless criminal gang, Secret Agent Gopi (Agent 116) is drawn into a dangerous mission to uncover the truth and bring the killers to justice.