Kabir Grewal (Arjun Rampal), a Casanovic film maker and screenwriter is making multiple films (GUNS Trilogy) based on a thief's life and robberies, all achieving high success. In order to shoot his third installment (GUNS 3), he goes to Malaysia, where he meets a London based film-maker Ayesha Aamir (Jacqueline Fernandez). Kabir and Ayesha get friendly and soon fall in love. When Ayesha gets to know about Kabir's casanova attitude, she breaks up with him and returns to London. Dejected Kabir goes into depression and returns back to Mumbai, leaving his film incomplete. After several failed trials Kabir couldn't find a perfect climax for his story. On his assistant Meera's (Shernaz Patel) suggestion Kabir goes to a film festival as part of the jury, where Ayesha's film is being screened. Ayesha, thought that Kabir is following her and asks him to stay away from her life. After his father's (Anupam Kher) death and been sued by film financiers Kabir decides to move on and complete his film.