Max, a 12-year-old boy, stumbles upon a mysterious boombox while running away from bullies in his urban neighborhood. When he accidentally activates it, out pops a charismatic 3,000-year-old genie named Kazaam. Kazaam reveals he can grant Max three wishes, though Max initially struggles to believe it. As they spend more time together, Max tests Kazaam’s abilities with small, frivolous wishes and gradually starts to recognize the power and limits of Kazaam’s magic.

Meanwhile, Max is dealing with the complexities of his own life, including issues with his estranged father and challenges at school. Kazaam, in his larger-than-life style, tries to guide and help Max navigate these difficulties. They form an unlikely bond, with Kazaam using his abilities to assist Max in unexpected ways. The plot takes a series of twists as they uncover secrets and confront both personal and external threats. Alongside the magical antics, the story delves into themes of friendship, responsibility, and self-discovery.