Desc: Akku: Directed by Maamani. With Anuradha Hasan, Riyaz Khan, Rakshai. Siva (Ajay) is an IT professional who grew up in an orphanage and he falls in love with Bhanu (Sriji). Her brother (Rakshai) is a dreaded terrorist leader planning to bomb Chennai city. Bhanu elopes with Siva as she is afraid that her brother would not permit their marriage and they arrive in a forest but they are soon caught by Bhanu's brother and the members of the terrorist organisation in the middle of the night. Bhanu's brother beats Siva up, takes him to the heart of the city, puts a bomb in his shoe and abandons him. Bhanu's brother tells him to keep running to stay alive. If Siva stops running or slows down the bomb in his shoe would explode killing him and also triggering a chain of explosions. The terrorist leader then calls the police and he sends them a MMS to track down Siva. He also challenges them to save Siva and Chennai city. A police team is pressed into service to defuse the bomb and save Siva and the city. The assistant commissioner of police Aadhi Narayanan (Riyaz Khan), the bomb squad officer Anu (Anu Haasan) and the doctor Devi (Jayashree) start following Siva in cars. The incident receives heavy media attention and it is broadcast live by all the news channels. The dawn is coming with the sun and Siva is exhausted. Meanwhile, Bhanu is locked in a room by her brother in his place and calls the police to save her. Devi ensures that he does not collapse from exhaustion, she provides him with energy tablets and oxygen supply. Anu even scans his shoe for the bomb and finds uranium in his shoe. The terrorist leader orders the members of his organisation to stop Siva from running and they try to kill him. The police manage to kill them but one terrorist shoots with a RPG and the car of Aadhi Narayanan exploded. Aadhi Narayanan is severely injured after the attack. The police catch the terrorist and start torturing him to quickly obtain information from him. Meanwhile, the special force eventually finds out where Bhanu has been kidnapped and saves her. The special force and the terrorist organisation begin to exchange fire in the area. The terrorists including Bhanu's brother are killed and the special force won the battle. Anu decides to defuse the bomb and leads Siva in a remote place where the police set up a treadmill for him. A tired Siva starts running on the treadmill and Anu who wears a bomb suit orders the police to move away from the place. Siva is hooked by a crane and Anu orders him to jump, at that moment she puts an adhesive surface under his shoes and the crane lifted him at an unbelievable speed. The shoe soles stick to the adhesive surface tearing up his shoes and the bomb exploded without causing any casualties. At the hospital, Anu meets an exhausted Siva and his lover Bhanu, and Anu congratulates him for his braveness.