Deven Yuvvraaj "Dev" Singh (Salman Khan) is a struggling singer who Dr. P. K. Banton (Boman Irani), his girlfriend Anushka’s (Katrina Kaif) father, dislikes because he is not wealthy and is rather careless at times. He signs an agreement to become a billionaire in 40 days. To acquire this wealth, he has to go through an emotional roller coaster journey of joy and pain with his two estranged brothers, Gyanesh Kumar Yuvvraaj Singh (Anil Kapoor) and Danny Yuvvraaj Singh (Zayed Khan), who he meets after 12 years.
Deven Yuvvraaj "Dev" Singh (Salman Khan) is a struggling singer who Dr. P. K. Banton (Boman Irani), Anushka's (Katrina Kaif) father, disapproves of due to his poverty and occasional recklessness. He makes a pact to become a billionaire in 40 days. To attain this wealth, he faces an emotional rollercoaster ride with his two estranged brothers, Gyanesh Kumar Yuvvraaj Singh (Anil Kapoor) and Danny Yuvvraaj Singh (Zayed Khan), whom he reunites with after 12 years.