A young boy from Delhi, Abbas Ali (Abhishek Bachchan) has been drowning in his financial problems which lead him to his well wisher, Shastri's house in Ranakpur where he comes down to have a proper job to take care of himself and his sister Sania (Asin). Abbas accidentally falls prey to an indistinct situation which makes him lie about his name in front of the villagers in Ranakpur. This uncertain incident plays a very important twist in Abbas's life.He lands up working as a supervisor under the strong Akhada king and an absolute lie hater Prithviraj Raghuvanshi(Ajay Devgan). Destiny forces Abbas Malik to perpetrate a series of lies in front of his lie - hater boss!
A single person acting as two different entities, Abbas's topsy-turvy journey makes him lie lie and keep lying to his boss who hates liars to the core.The fear of getting caught by his Akhada king lie hater boss ultimately turns Abbas into an Absolute 'Bol Bachchan'.