On a trip to Warner Bros. studios, superstar LeBron James and his son accidentally find themselves trapped in a world with all the stories and characters of the business, under the control of a powerful and troubled force called Al G (Don Cheadle). With the help of Bugs, LeBron must navigate a universe filled with movie scenes and iconic characters as the Looney Tunes come together to save their lost son. To return home, LeBron and the gang must unravel Al G’s mysterious plan and win an epic basketball game against game versions of NBA legends.