Shakalaka Boom Boom is about a rivalry between two singers/Composers in the movie industry. AJ (Bobby Deol) plays a ruthless guy with a manipulative attitude who has achieved success with hard work. He is used to winning and never allows anyone to overtake him. Reggi (Upen Patel) is a talented and upcoming star who has been struggling to get noticed. He desperately wants to achieve stardom like AJ. Ruhi (Kangana Raut) is a talented singer, who adored AJ but has fallen in Love with Reggi! Sheena (Celina Jaint Ley) on the other hand is a beautiful and ambitious PR professional. Sheena goes all out to promote Reggi. It’s a lot of drama and emotions all mixed into one big musical drama!!! Finally music emerges as the winner!